22129640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42557}}^1$

素因数の和:42581

約数の個数: 32

約数和(自身を含む): 53623080

約数和(自身を除く): 31493440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 42557, 85114, 170228, 212785, 340456, 425570, 553241, 851140, 1106482, 1702280, 2212964, 2766205, 4425928, 5532410, 11064820, 22129640]

約数ペア:

[(1, 22129640), (2, 11064820), (4, 5532410), (5, 4425928), (8, 2766205), (10, 2212964), (13, 1702280), (20, 1106482), (26, 851140), (40, 553241), (52, 425570), (65, 340456), (104, 212785), (130, 170228), (260, 85114), (520, 42557)]