83239960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67129}}^1$

素因数の和:67171

約数の個数: 32

約数和(自身を含む): 193334400

約数和(自身を除く): 110094440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 67129, 134258, 268516, 335645, 537032, 671290, 1342580, 2080999, 2685160, 4161998, 8323996, 10404995, 16647992, 20809990, 41619980, 83239960]

約数ペア:

[(1, 83239960), (2, 41619980), (4, 20809990), (5, 16647992), (8, 10404995), (10, 8323996), (20, 4161998), (31, 2685160), (40, 2080999), (62, 1342580), (124, 671290), (155, 537032), (248, 335645), (310, 268516), (620, 134258), (1240, 67129)]