2620762520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1074083}}^1$

素因数の和:1074155

約数の個数: 32

約数和(自身を含む): 5993388720

約数和(自身を除く): 3372626200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 1074083, 2148166, 4296332, 5370415, 8592664, 10740830, 21481660, 42963320, 65519063, 131038126, 262076252, 327595315, 524152504, 655190630, 1310381260, 2620762520]

約数ペア:

[(1, 2620762520), (2, 1310381260), (4, 655190630), (5, 524152504), (8, 327595315), (10, 262076252), (20, 131038126), (40, 65519063), (61, 42963320), (122, 21481660), (244, 10740830), (305, 8592664), (488, 5370415), (610, 4296332), (1220, 2148166), (2440, 1074083)]