2661442520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{208577}}^1$

素因数の和:208628

約数の個数: 64

約数和(自身を含む): 6757927200

約数和(自身を除く): 4096484680

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, 2552, 3190, 6380, 12760, 208577, 417154, 834308, 1042885, 1668616, 2085770, 2294347, 4171540, 4588694, 6048733, 8343080, 9177388, 11471735, 12097466, 18354776, 22943470, 24194932, 30243665, 45886940, 48389864, 60487330, 66536063, 91773880, 120974660, 133072126, 241949320, 266144252, 332680315, 532288504, 665360630, 1330721260, 2661442520]

約数ペア:

[(1, 2661442520), (2, 1330721260), (4, 665360630), (5, 532288504), (8, 332680315), (10, 266144252), (11, 241949320), (20, 133072126), (22, 120974660), (29, 91773880), (40, 66536063), (44, 60487330), (55, 48389864), (58, 45886940), (88, 30243665), (110, 24194932), (116, 22943470), (145, 18354776), (220, 12097466), (232, 11471735), (290, 9177388), (319, 8343080), (440, 6048733), (580, 4588694), (638, 4171540), (1160, 2294347), (1276, 2085770), (1595, 1668616), (2552, 1042885), (3190, 834308), (6380, 417154), (12760, 208577)]