157161040

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2843}}^1$

素因数の和:3547

約数の個数: 40

約数和(自身を含む): 366056928

約数和(自身を除く): 208895888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2764, 2843, 3455, 5528, 5686, 6910, 11056, 11372, 13820, 14215, 22744, 27640, 28430, 45488, 55280, 56860, 113720, 227440, 1964513, 3929026, 7858052, 9822565, 15716104, 19645130, 31432208, 39290260, 78580520, 157161040]

約数ペア:

[(1, 157161040), (2, 78580520), (4, 39290260), (5, 31432208), (8, 19645130), (10, 15716104), (16, 9822565), (20, 7858052), (40, 3929026), (80, 1964513), (691, 227440), (1382, 113720), (2764, 56860), (2843, 55280), (3455, 45488), (5528, 28430), (5686, 27640), (6910, 22744), (11056, 14215), (11372, 13820)]