39903880

素因数分解:

$2^3\times 5^1\times {\mathrm{997597}}^1$

素因数の和:997608

約数の個数: 16

約数和(自身を含む): 89783820

約数和(自身を除く): 49879940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997597, 1995194, 3990388, 4987985, 7980776, 9975970, 19951940, 39903880]

約数ペア:

[(1, 39903880), (2, 19951940), (4, 9975970), (5, 7980776), (8, 4987985), (10, 3990388), (20, 1995194), (40, 997597)]