90809720

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2999}}^1$

素因数の和:3767

約数の個数: 32

約数和(自身を含む): 204660000

約数和(自身を除く): 113850280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 1514, 2999, 3028, 3785, 5998, 6056, 7570, 11996, 14995, 15140, 23992, 29990, 30280, 59980, 119960, 2270243, 4540486, 9080972, 11351215, 18161944, 22702430, 45404860, 90809720]

約数ペア:

[(1, 90809720), (2, 45404860), (4, 22702430), (5, 18161944), (8, 11351215), (10, 9080972), (20, 4540486), (40, 2270243), (757, 119960), (1514, 59980), (2999, 30280), (3028, 29990), (3785, 23992), (5998, 15140), (6056, 14995), (7570, 11996)]