25788100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 61246080

約数和(自身を除く): 35457980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 130, 166, 239, 260, 325, 332, 415, 478, 650, 830, 956, 1079, 1195, 1300, 1660, 2075, 2158, 2390, 3107, 4150, 4316, 4780, 5395, 5975, 6214, 8300, 10790, 11950, 12428, 15535, 19837, 21580, 23900, 26975, 31070, 39674, 53950, 62140, 77675, 79348, 99185, 107900, 155350, 198370, 257881, 310700, 396740, 495925, 515762, 991850, 1031524, 1289405, 1983700, 2578810, 5157620, 6447025, 12894050, 25788100]

約数ペア:

[(1, 25788100), (2, 12894050), (4, 6447025), (5, 5157620), (10, 2578810), (13, 1983700), (20, 1289405), (25, 1031524), (26, 991850), (50, 515762), (52, 495925), (65, 396740), (83, 310700), (100, 257881), (130, 198370), (166, 155350), (239, 107900), (260, 99185), (325, 79348), (332, 77675), (415, 62140), (478, 53950), (650, 39674), (830, 31070), (956, 26975), (1079, 23900), (1195, 21580), (1300, 19837), (1660, 15535), (2075, 12428), (2158, 11950), (2390, 10790), (3107, 8300), (4150, 6214), (4316, 5975), (4780, 5395)]