40950640

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{919}}^1$

素因数の和:1489

約数の個数: 40

約数和(自身を含む): 95484960

約数和(自身を除く): 54534320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 919, 1114, 1838, 2228, 2785, 3676, 4456, 4595, 5570, 7352, 8912, 9190, 11140, 14704, 18380, 22280, 36760, 44560, 73520, 511883, 1023766, 2047532, 2559415, 4095064, 5118830, 8190128, 10237660, 20475320, 40950640]

約数ペア:

[(1, 40950640), (2, 20475320), (4, 10237660), (5, 8190128), (8, 5118830), (10, 4095064), (16, 2559415), (20, 2047532), (40, 1023766), (80, 511883), (557, 73520), (919, 44560), (1114, 36760), (1838, 22280), (2228, 18380), (2785, 14704), (3676, 11140), (4456, 9190), (4595, 8912), (5570, 7352)]