42615820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 97993728

約数和(自身を除く): 55377908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 2687, 3172, 3965, 5374, 7930, 10748, 13435, 15860, 26870, 34931, 53740, 69862, 139724, 163907, 174655, 327814, 349310, 655628, 698620, 819535, 1639070, 2130791, 3278140, 4261582, 8523164, 10653955, 21307910, 42615820]

約数ペア:

[(1, 42615820), (2, 21307910), (4, 10653955), (5, 8523164), (10, 4261582), (13, 3278140), (20, 2130791), (26, 1639070), (52, 819535), (61, 698620), (65, 655628), (122, 349310), (130, 327814), (244, 174655), (260, 163907), (305, 139724), (610, 69862), (793, 53740), (1220, 34931), (1586, 26870), (2687, 15860), (3172, 13435), (3965, 10748), (5374, 7930)]