8839960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7129}}^1$

素因数の和:7171

約数の個数: 32

約数和(自身を含む): 20534400

約数和(自身を除く): 11694440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 7129, 14258, 28516, 35645, 57032, 71290, 142580, 220999, 285160, 441998, 883996, 1104995, 1767992, 2209990, 4419980, 8839960]

約数ペア:

[(1, 8839960), (2, 4419980), (4, 2209990), (5, 1767992), (8, 1104995), (10, 883996), (20, 441998), (31, 285160), (40, 220999), (62, 142580), (124, 71290), (155, 57032), (248, 35645), (310, 28516), (620, 14258), (1240, 7129)]