22581080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6343}}^1$

素因数の和:6443

約数の個数: 32

約数和(自身を含む): 51386400

約数和(自身を除く): 28805320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6343, 12686, 25372, 31715, 50744, 63430, 126860, 253720, 564527, 1129054, 2258108, 2822635, 4516216, 5645270, 11290540, 22581080]

約数ペア:

[(1, 22581080), (2, 11290540), (4, 5645270), (5, 4516216), (8, 2822635), (10, 2258108), (20, 1129054), (40, 564527), (89, 253720), (178, 126860), (356, 63430), (445, 50744), (712, 31715), (890, 25372), (1780, 12686), (3560, 6343)]