78660080

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6599}}^1$

素因数の和:6761

約数の個数: 40

約数和(自身を含む): 184140000

約数和(自身を除く): 105479920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 6599, 11920, 13198, 26396, 32995, 52792, 65990, 105584, 131980, 263960, 527920, 983251, 1966502, 3933004, 4916255, 7866008, 9832510, 15732016, 19665020, 39330040, 78660080]

約数ペア:

[(1, 78660080), (2, 39330040), (4, 19665020), (5, 15732016), (8, 9832510), (10, 7866008), (16, 4916255), (20, 3933004), (40, 1966502), (80, 983251), (149, 527920), (298, 263960), (596, 131980), (745, 105584), (1192, 65990), (1490, 52792), (2384, 32995), (2980, 26396), (5960, 13198), (6599, 11920)]