645624680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{556573}}^1$

素因数の和:556613

約数の個数: 32

約数和(自身を含む): 1502749800

約数和(自身を除く): 857125120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 556573, 1113146, 2226292, 2782865, 4452584, 5565730, 11131460, 16140617, 22262920, 32281234, 64562468, 80703085, 129124936, 161406170, 322812340, 645624680]

約数ペア:

[(1, 645624680), (2, 322812340), (4, 161406170), (5, 129124936), (8, 80703085), (10, 64562468), (20, 32281234), (29, 22262920), (40, 16140617), (58, 11131460), (116, 5565730), (145, 4452584), (232, 2782865), (290, 2226292), (580, 1113146), (1160, 556573)]