17679920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7129}}^1$

素因数の和:7173

約数の個数: 40

約数和(自身を含む): 42437760

約数和(自身を除く): 24757840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7129, 14258, 28516, 35645, 57032, 71290, 114064, 142580, 220999, 285160, 441998, 570320, 883996, 1104995, 1767992, 2209990, 3535984, 4419980, 8839960, 17679920]

約数ペア:

[(1, 17679920), (2, 8839960), (4, 4419980), (5, 3535984), (8, 2209990), (10, 1767992), (16, 1104995), (20, 883996), (31, 570320), (40, 441998), (62, 285160), (80, 220999), (124, 142580), (155, 114064), (248, 71290), (310, 57032), (496, 35645), (620, 28516), (1240, 14258), (2480, 7129)]