64903540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4231}}^1$

素因数の和:4312

約数の個数: 48

約数和(自身を含む): 149304960

約数和(自身を除く): 84401420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 4231, 7670, 8462, 15340, 16924, 21155, 42310, 55003, 84620, 110006, 220012, 249629, 275015, 499258, 550030, 998516, 1100060, 1248145, 2496290, 3245177, 4992580, 6490354, 12980708, 16225885, 32451770, 64903540]

約数ペア:

[(1, 64903540), (2, 32451770), (4, 16225885), (5, 12980708), (10, 6490354), (13, 4992580), (20, 3245177), (26, 2496290), (52, 1248145), (59, 1100060), (65, 998516), (118, 550030), (130, 499258), (236, 275015), (260, 249629), (295, 220012), (590, 110006), (767, 84620), (1180, 55003), (1534, 42310), (3068, 21155), (3835, 16924), (4231, 15340), (7670, 8462)]