156918872500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{24509}}^1$

素因数の和:24743

約数の個数: 120

約数和(自身を含む): 371437383240

約数和(自身を除く): 214518510740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 197, 250, 260, 325, 394, 500, 625, 650, 788, 985, 1250, 1300, 1625, 1970, 2500, 2561, 3250, 3940, 4925, 5122, 6500, 8125, 9850, 10244, 12805, 16250, 19700, 24509, 24625, 25610, 32500, 49018, 49250, 51220, 64025, 98036, 98500, 122545, 123125, 128050, 245090, 246250, 256100, 318617, 320125, 490180, 492500, 612725, 637234, 640250, 1225450, 1274468, 1280500, 1593085, 1600625, 2450900, 3063625, 3186170, 3201250, 4828273, 6127250, 6372340, 6402500, 7965425, 9656546, 12254500, 15318125, 15930850, 19313092, 24141365, 30636250, 31861700, 39827125, 48282730, 61272500, 62767549, 79654250, 96565460, 120706825, 125535098, 159308500, 199135625, 241413650, 251070196, 313837745, 398271250, 482827300, 603534125, 627675490, 796542500, 1207068250, 1255350980, 1569188725, 2414136500, 3017670625, 3138377450, 6035341250, 6276754900, 7845943625, 12070682500, 15691887250, 31383774500, 39229718125, 78459436250, 156918872500]

約数ペア:

[(1, 156918872500), (2, 78459436250), (4, 39229718125), (5, 31383774500), (10, 15691887250), (13, 12070682500), (20, 7845943625), (25, 6276754900), (26, 6035341250), (50, 3138377450), (52, 3017670625), (65, 2414136500), (100, 1569188725), (125, 1255350980), (130, 1207068250), (197, 796542500), (250, 627675490), (260, 603534125), (325, 482827300), (394, 398271250), (500, 313837745), (625, 251070196), (650, 241413650), (788, 199135625), (985, 159308500), (1250, 125535098), (1300, 120706825), (1625, 96565460), (1970, 79654250), (2500, 62767549), (2561, 61272500), (3250, 48282730), (3940, 39827125), (4925, 31861700), (5122, 30636250), (6500, 24141365), (8125, 19313092), (9850, 15930850), (10244, 15318125), (12805, 12254500), (16250, 9656546), (19700, 7965425), (24509, 6402500), (24625, 6372340), (25610, 6127250), (32500, 4828273), (49018, 3201250), (49250, 3186170), (51220, 3063625), (64025, 2450900), (98036, 1600625), (98500, 1593085), (122545, 1280500), (123125, 1274468), (128050, 1225450), (245090, 640250), (246250, 637234), (256100, 612725), (318617, 492500), (320125, 490180)]