80452940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 174726720

約数和(自身を除く): 94273780

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 106, 142, 212, 265, 284, 355, 530, 710, 1060, 1069, 1420, 2138, 3763, 4276, 5345, 7526, 10690, 15052, 18815, 21380, 37630, 56657, 75260, 75899, 113314, 151798, 226628, 283285, 303596, 379495, 566570, 758990, 1133140, 1517980, 4022647, 8045294, 16090588, 20113235, 40226470, 80452940]

約数ペア:

[(1, 80452940), (2, 40226470), (4, 20113235), (5, 16090588), (10, 8045294), (20, 4022647), (53, 1517980), (71, 1133140), (106, 758990), (142, 566570), (212, 379495), (265, 303596), (284, 283285), (355, 226628), (530, 151798), (710, 113314), (1060, 75899), (1069, 75260), (1420, 56657), (2138, 37630), (3763, 21380), (4276, 18815), (5345, 15052), (7526, 10690)]