7130120720

素因数分解:

$2^4\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{40129}}^1$

素因数の和:42363

約数の個数: 40

約数和(自身を含む): 16585407960

約数和(自身を除く): 9455287240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2221, 4442, 8884, 11105, 17768, 22210, 35536, 40129, 44420, 80258, 88840, 160516, 177680, 200645, 321032, 401290, 642064, 802580, 1605160, 3210320, 89126509, 178253018, 356506036, 445632545, 713012072, 891265090, 1426024144, 1782530180, 3565060360, 7130120720]

約数ペア:

[(1, 7130120720), (2, 3565060360), (4, 1782530180), (5, 1426024144), (8, 891265090), (10, 713012072), (16, 445632545), (20, 356506036), (40, 178253018), (80, 89126509), (2221, 3210320), (4442, 1605160), (8884, 802580), (11105, 642064), (17768, 401290), (22210, 321032), (35536, 200645), (40129, 177680), (44420, 160516), (80258, 88840)]