100207640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1801}}^1$

素因数の和:1932

約数の個数: 64

約数和(自身を含む): 245216160

約数和(自身を除く): 145008520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 1801, 2140, 2782, 3602, 4280, 5564, 6955, 7204, 9005, 11128, 13910, 14408, 18010, 23413, 27820, 36020, 46826, 55640, 72040, 93652, 117065, 187304, 192707, 234130, 385414, 468260, 770828, 936520, 963535, 1541656, 1927070, 2505191, 3854140, 5010382, 7708280, 10020764, 12525955, 20041528, 25051910, 50103820, 100207640]

約数ペア:

[(1, 100207640), (2, 50103820), (4, 25051910), (5, 20041528), (8, 12525955), (10, 10020764), (13, 7708280), (20, 5010382), (26, 3854140), (40, 2505191), (52, 1927070), (65, 1541656), (104, 963535), (107, 936520), (130, 770828), (214, 468260), (260, 385414), (428, 234130), (520, 192707), (535, 187304), (856, 117065), (1070, 93652), (1391, 72040), (1801, 55640), (2140, 46826), (2782, 36020), (3602, 27820), (4280, 23413), (5564, 18010), (6955, 14408), (7204, 13910), (9005, 11128)]