40113520

素因数分解:

$2^4\times 5^1\times {\mathrm{501419}}^1$

素因数の和:501432

約数の個数: 20

約数和(自身を含む): 93264120

約数和(自身を除く): 53150600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501419, 1002838, 2005676, 2507095, 4011352, 5014190, 8022704, 10028380, 20056760, 40113520]

約数ペア:

[(1, 40113520), (2, 20056760), (4, 10028380), (5, 8022704), (8, 5014190), (10, 4011352), (16, 2507095), (20, 2005676), (40, 1002838), (80, 501419)]