8519920

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 19931760

約数和(自身を除く): 11411840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 379, 562, 758, 1124, 1405, 1516, 1895, 2248, 2810, 3032, 3790, 4496, 5620, 6064, 7580, 11240, 15160, 22480, 30320, 106499, 212998, 425996, 532495, 851992, 1064990, 1703984, 2129980, 4259960, 8519920]

約数ペア:

[(1, 8519920), (2, 4259960), (4, 2129980), (5, 1703984), (8, 1064990), (10, 851992), (16, 532495), (20, 425996), (40, 212998), (80, 106499), (281, 30320), (379, 22480), (562, 15160), (758, 11240), (1124, 7580), (1405, 6064), (1516, 5620), (1895, 4496), (2248, 3790), (2810, 3032)]