7043920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 60

約数和(自身を含む): 17767836

約数和(自身を除く): 10723916

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 521, 676, 845, 1040, 1042, 1352, 1690, 2084, 2605, 2704, 3380, 4168, 5210, 6760, 6773, 8336, 10420, 13520, 13546, 20840, 27092, 33865, 41680, 54184, 67730, 88049, 108368, 135460, 176098, 270920, 352196, 440245, 541840, 704392, 880490, 1408784, 1760980, 3521960, 7043920]

約数ペア:

[(1, 7043920), (2, 3521960), (4, 1760980), (5, 1408784), (8, 880490), (10, 704392), (13, 541840), (16, 440245), (20, 352196), (26, 270920), (40, 176098), (52, 135460), (65, 108368), (80, 88049), (104, 67730), (130, 54184), (169, 41680), (208, 33865), (260, 27092), (338, 20840), (520, 13546), (521, 13520), (676, 10420), (845, 8336), (1040, 6773), (1042, 6760), (1352, 5210), (1690, 4168), (2084, 3380), (2605, 2704)]