12763640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5231}}^1$

素因数の和:5303

約数の個数: 32

約数和(自身を含む): 29194560

約数和(自身を除く): 16430920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 5231, 10462, 20924, 26155, 41848, 52310, 104620, 209240, 319091, 638182, 1276364, 1595455, 2552728, 3190910, 6381820, 12763640]

約数ペア:

[(1, 12763640), (2, 6381820), (4, 3190910), (5, 2552728), (8, 1595455), (10, 1276364), (20, 638182), (40, 319091), (61, 209240), (122, 104620), (244, 52310), (305, 41848), (488, 26155), (610, 20924), (1220, 10462), (2440, 5231)]