85671940

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{17923}}^1$

素因数の和:18171

約数の個数: 24

約数和(自身を含む): 180673920

約数和(自身を除く): 95001980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 17923, 35846, 71692, 89615, 179230, 358460, 4283597, 8567194, 17134388, 21417985, 42835970, 85671940]

約数ペア:

[(1, 85671940), (2, 42835970), (4, 21417985), (5, 17134388), (10, 8567194), (20, 4283597), (239, 358460), (478, 179230), (956, 89615), (1195, 71692), (2390, 35846), (4780, 17923)]