5621240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1579}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 12798000

約数和(自身を除く): 7176760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1579, 1780, 3158, 3560, 6316, 7895, 12632, 15790, 31580, 63160, 140531, 281062, 562124, 702655, 1124248, 1405310, 2810620, 5621240]

約数ペア:

[(1, 5621240), (2, 2810620), (4, 1405310), (5, 1124248), (8, 702655), (10, 562124), (20, 281062), (40, 140531), (89, 63160), (178, 31580), (356, 15790), (445, 12632), (712, 7895), (890, 6316), (1579, 3560), (1780, 3158)]