133671940

素因数分解:

$2^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{4019}}^1$

素因数の和:5691

約数の個数: 24

約数和(自身を含む): 280949760

約数和(自身を除く): 147277820

約数列:

[1, 2, 4, 5, 10, 20, 1663, 3326, 4019, 6652, 8038, 8315, 16076, 16630, 20095, 33260, 40190, 80380, 6683597, 13367194, 26734388, 33417985, 66835970, 133671940]

約数ペア:

[(1, 133671940), (2, 66835970), (4, 33417985), (5, 26734388), (10, 13367194), (20, 6683597), (1663, 80380), (3326, 40190), (4019, 33260), (6652, 20095), (8038, 16630), (8315, 16076)]