8072740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 18592560

約数和(自身を除く): 10519820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 509, 610, 793, 1018, 1220, 1586, 2036, 2545, 3172, 3965, 5090, 6617, 7930, 10180, 13234, 15860, 26468, 31049, 33085, 62098, 66170, 124196, 132340, 155245, 310490, 403637, 620980, 807274, 1614548, 2018185, 4036370, 8072740]

約数ペア:

[(1, 8072740), (2, 4036370), (4, 2018185), (5, 1614548), (10, 807274), (13, 620980), (20, 403637), (26, 310490), (52, 155245), (61, 132340), (65, 124196), (122, 66170), (130, 62098), (244, 33085), (260, 31049), (305, 26468), (509, 15860), (610, 13234), (793, 10180), (1018, 7930), (1220, 6617), (1586, 5090), (2036, 3965), (2545, 3172)]