100085840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14057}}^1$

素因数の和:14159

約数の個数: 40

約数和(自身を含む): 235330920

約数和(自身を除く): 135245080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 14057, 28114, 56228, 70285, 112456, 140570, 224912, 281140, 562280, 1124560, 1251073, 2502146, 5004292, 6255365, 10008584, 12510730, 20017168, 25021460, 50042920, 100085840]

約数ペア:

[(1, 100085840), (2, 50042920), (4, 25021460), (5, 20017168), (8, 12510730), (10, 10008584), (16, 6255365), (20, 5004292), (40, 2502146), (80, 1251073), (89, 1124560), (178, 562280), (356, 281140), (445, 224912), (712, 140570), (890, 112456), (1424, 70285), (1780, 56228), (3560, 28114), (7120, 14057)]