1569765980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{12421}}^1$

素因数の和:12590

約数の個数: 48

約数和(自身を含む): 3380771520

約数和(自身を除く): 1811005540

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 710, 890, 1420, 1780, 6319, 12421, 12638, 24842, 25276, 31595, 49684, 62105, 63190, 124210, 126380, 248420, 881891, 1105469, 1763782, 2210938, 3527564, 4409455, 4421876, 5527345, 8818910, 11054690, 17637820, 22109380, 78488299, 156976598, 313953196, 392441495, 784882990, 1569765980]

約数ペア:

[(1, 1569765980), (2, 784882990), (4, 392441495), (5, 313953196), (10, 156976598), (20, 78488299), (71, 22109380), (89, 17637820), (142, 11054690), (178, 8818910), (284, 5527345), (355, 4421876), (356, 4409455), (445, 3527564), (710, 2210938), (890, 1763782), (1420, 1105469), (1780, 881891), (6319, 248420), (12421, 126380), (12638, 124210), (24842, 63190), (25276, 62105), (31595, 49684)]