31954000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1265

約数の個数: 80

約数和(自身を含む): 83275920

約数和(自身を除く): 51321920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1229, 1300, 1625, 2000, 2458, 2600, 3250, 4916, 5200, 6145, 6500, 9832, 12290, 13000, 15977, 19664, 24580, 26000, 30725, 31954, 49160, 61450, 63908, 79885, 98320, 122900, 127816, 153625, 159770, 245800, 255632, 307250, 319540, 399425, 491600, 614500, 639080, 798850, 1229000, 1278160, 1597700, 1997125, 2458000, 3195400, 3994250, 6390800, 7988500, 15977000, 31954000]

約数ペア:

[(1, 31954000), (2, 15977000), (4, 7988500), (5, 6390800), (8, 3994250), (10, 3195400), (13, 2458000), (16, 1997125), (20, 1597700), (25, 1278160), (26, 1229000), (40, 798850), (50, 639080), (52, 614500), (65, 491600), (80, 399425), (100, 319540), (104, 307250), (125, 255632), (130, 245800), (200, 159770), (208, 153625), (250, 127816), (260, 122900), (325, 98320), (400, 79885), (500, 63908), (520, 61450), (650, 49160), (1000, 31954), (1040, 30725), (1229, 26000), (1300, 24580), (1625, 19664), (2000, 15977), (2458, 13000), (2600, 12290), (3250, 9832), (4916, 6500), (5200, 6145)]