51153640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14369}}^1$

素因数の和:14469

約数の個数: 32

約数和(自身を含む): 116397000

約数和(自身を除く): 65243360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 14369, 28738, 57476, 71845, 114952, 143690, 287380, 574760, 1278841, 2557682, 5115364, 6394205, 10230728, 12788410, 25576820, 51153640]

約数ペア:

[(1, 51153640), (2, 25576820), (4, 12788410), (5, 10230728), (8, 6394205), (10, 5115364), (20, 2557682), (40, 1278841), (89, 574760), (178, 287380), (356, 143690), (445, 114952), (712, 71845), (890, 57476), (1780, 28738), (3560, 14369)]