56070820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 130323816

約数和(自身を除く): 74252996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 313, 338, 530, 626, 676, 689, 845, 1060, 1252, 1378, 1565, 1690, 2756, 3130, 3380, 3445, 4069, 6260, 6890, 8138, 8957, 13780, 16276, 16589, 17914, 20345, 33178, 35828, 40690, 44785, 52897, 66356, 81380, 82945, 89570, 105794, 165890, 179140, 211588, 215657, 264485, 331780, 431314, 528970, 862628, 1057940, 1078285, 2156570, 2803541, 4313140, 5607082, 11214164, 14017705, 28035410, 56070820]

約数ペア:

[(1, 56070820), (2, 28035410), (4, 14017705), (5, 11214164), (10, 5607082), (13, 4313140), (20, 2803541), (26, 2156570), (52, 1078285), (53, 1057940), (65, 862628), (106, 528970), (130, 431314), (169, 331780), (212, 264485), (260, 215657), (265, 211588), (313, 179140), (338, 165890), (530, 105794), (626, 89570), (676, 82945), (689, 81380), (845, 66356), (1060, 52897), (1252, 44785), (1378, 40690), (1565, 35828), (1690, 33178), (2756, 20345), (3130, 17914), (3380, 16589), (3445, 16276), (4069, 13780), (6260, 8957), (6890, 8138)]