31223720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2447}}^1$

素因数の和:2498

約数の個数: 64

約数和(自身を含む): 79315200

約数和(自身を除く): 48091480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2447, 2552, 3190, 4894, 6380, 9788, 12235, 12760, 19576, 24470, 26917, 48940, 53834, 70963, 97880, 107668, 134585, 141926, 215336, 269170, 283852, 354815, 538340, 567704, 709630, 780593, 1076680, 1419260, 1561186, 2838520, 3122372, 3902965, 6244744, 7805930, 15611860, 31223720]

約数ペア:

[(1, 31223720), (2, 15611860), (4, 7805930), (5, 6244744), (8, 3902965), (10, 3122372), (11, 2838520), (20, 1561186), (22, 1419260), (29, 1076680), (40, 780593), (44, 709630), (55, 567704), (58, 538340), (88, 354815), (110, 283852), (116, 269170), (145, 215336), (220, 141926), (232, 134585), (290, 107668), (319, 97880), (440, 70963), (580, 53834), (638, 48940), (1160, 26917), (1276, 24470), (1595, 19576), (2447, 12760), (2552, 12235), (3190, 9788), (4894, 6380)]