65021990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 137168640

約数和(自身を除く): 72146650

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 53, 55, 95, 106, 110, 190, 209, 265, 418, 530, 583, 587, 1007, 1045, 1166, 1174, 2014, 2090, 2915, 2935, 5035, 5830, 5870, 6457, 10070, 11077, 11153, 12914, 22154, 22306, 31111, 32285, 55385, 55765, 62222, 64570, 110770, 111530, 122683, 155555, 245366, 311110, 342221, 591109, 613415, 684442, 1182218, 1226830, 1711105, 2955545, 3422210, 5911090, 6502199, 13004398, 32510995, 65021990]

約数ペア:

[(1, 65021990), (2, 32510995), (5, 13004398), (10, 6502199), (11, 5911090), (19, 3422210), (22, 2955545), (38, 1711105), (53, 1226830), (55, 1182218), (95, 684442), (106, 613415), (110, 591109), (190, 342221), (209, 311110), (265, 245366), (418, 155555), (530, 122683), (583, 111530), (587, 110770), (1007, 64570), (1045, 62222), (1166, 55765), (1174, 55385), (2014, 32285), (2090, 31111), (2915, 22306), (2935, 22154), (5035, 12914), (5830, 11153), (5870, 11077), (6457, 10070)]