42053380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 91128240

約数和(自身を除く): 49074860

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 388, 409, 485, 530, 818, 970, 1060, 1636, 1940, 2045, 4090, 5141, 8180, 10282, 20564, 21677, 25705, 39673, 43354, 51410, 79346, 86708, 102820, 108385, 158692, 198365, 216770, 396730, 433540, 793460, 2102669, 4205338, 8410676, 10513345, 21026690, 42053380]

約数ペア:

[(1, 42053380), (2, 21026690), (4, 10513345), (5, 8410676), (10, 4205338), (20, 2102669), (53, 793460), (97, 433540), (106, 396730), (194, 216770), (212, 198365), (265, 158692), (388, 108385), (409, 102820), (485, 86708), (530, 79346), (818, 51410), (970, 43354), (1060, 39673), (1636, 25705), (1940, 21677), (2045, 20564), (4090, 10282), (5141, 8180)]