4108803980

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{394319}}^1$

素因数の和:394849

約数の個数: 24

約数和(自身を含む): 8645071680

約数和(自身を除く): 4536267700

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 394319, 788638, 1577276, 1971595, 3943190, 7886380, 205440199, 410880398, 821760796, 1027200995, 2054401990, 4108803980]

約数ペア:

[(1, 4108803980), (2, 2054401990), (4, 1027200995), (5, 821760796), (10, 410880398), (20, 205440199), (521, 7886380), (1042, 3943190), (2084, 1971595), (2605, 1577276), (5210, 788638), (10420, 394319)]