156658240

素因数分解:

$2^6\times 5^1\times {\mathrm{489557}}^1$

素因数の和:489574

約数の個数: 28

約数和(自身を含む): 373043196

約数和(自身を除く): 216384956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 489557, 979114, 1958228, 2447785, 3916456, 4895570, 7832912, 9791140, 15665824, 19582280, 31331648, 39164560, 78329120, 156658240]

約数ペア:

[(1, 156658240), (2, 78329120), (4, 39164560), (5, 31331648), (8, 19582280), (10, 15665824), (16, 9791140), (20, 7832912), (32, 4895570), (40, 3916456), (64, 2447785), (80, 1958228), (160, 979114), (320, 489557)]