51112820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21121}}^1$

素因数の和:21152

約数の個数: 36

約数和(自身を含む): 117987492

約数和(自身を除く): 66874672

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 21121, 42242, 84484, 105605, 211210, 232331, 422420, 464662, 929324, 1161655, 2323310, 2555641, 4646620, 5111282, 10222564, 12778205, 25556410, 51112820]

約数ペア:

[(1, 51112820), (2, 25556410), (4, 12778205), (5, 10222564), (10, 5111282), (11, 4646620), (20, 2555641), (22, 2323310), (44, 1161655), (55, 929324), (110, 464662), (121, 422420), (220, 232331), (242, 211210), (484, 105605), (605, 84484), (1210, 42242), (2420, 21121)]