90438400

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1126

約数の個数: 108

約数和(自身を含む): 241290112

約数和(自身を除く): 150851712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 1040, 1087, 1280, 1300, 1600, 1664, 2080, 2174, 2600, 3200, 3328, 4160, 4348, 5200, 5435, 6400, 8320, 8696, 10400, 10870, 14131, 16640, 17392, 20800, 21740, 27175, 28262, 34784, 41600, 43480, 54350, 56524, 69568, 70655, 83200, 86960, 108700, 113048, 139136, 141310, 173920, 217400, 226096, 278272, 282620, 347840, 353275, 434800, 452192, 565240, 695680, 706550, 869600, 904384, 1130480, 1391360, 1413100, 1739200, 1808768, 2260960, 2826200, 3478400, 3617536, 4521920, 5652400, 6956800, 9043840, 11304800, 18087680, 22609600, 45219200, 90438400]

約数ペア:

[(1, 90438400), (2, 45219200), (4, 22609600), (5, 18087680), (8, 11304800), (10, 9043840), (13, 6956800), (16, 5652400), (20, 4521920), (25, 3617536), (26, 3478400), (32, 2826200), (40, 2260960), (50, 1808768), (52, 1739200), (64, 1413100), (65, 1391360), (80, 1130480), (100, 904384), (104, 869600), (128, 706550), (130, 695680), (160, 565240), (200, 452192), (208, 434800), (256, 353275), (260, 347840), (320, 282620), (325, 278272), (400, 226096), (416, 217400), (520, 173920), (640, 141310), (650, 139136), (800, 113048), (832, 108700), (1040, 86960), (1087, 83200), (1280, 70655), (1300, 69568), (1600, 56524), (1664, 54350), (2080, 43480), (2174, 41600), (2600, 34784), (3200, 28262), (3328, 27175), (4160, 21740), (4348, 20800), (5200, 17392), (5435, 16640), (6400, 14131), (8320, 10870), (8696, 10400)]