72407980

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{2267}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 152219088

約数和(自身を除く): 79811108

約数列:

[1, 2, 4, 5, 10, 20, 1597, 2267, 3194, 4534, 6388, 7985, 9068, 11335, 15970, 22670, 31940, 45340, 3620399, 7240798, 14481596, 18101995, 36203990, 72407980]

約数ペア:

[(1, 72407980), (2, 36203990), (4, 18101995), (5, 14481596), (10, 7240798), (20, 3620399), (1597, 45340), (2267, 31940), (3194, 22670), (4534, 15970), (6388, 11335), (7985, 9068)]