80090320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52691}}^1$

素因数の和:52723

約数の個数: 40

約数和(自身を含む): 196014240

約数和(自身を除く): 115923920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 52691, 105382, 210764, 263455, 421528, 526910, 843056, 1001129, 1053820, 2002258, 2107640, 4004516, 4215280, 5005645, 8009032, 10011290, 16018064, 20022580, 40045160, 80090320]

約数ペア:

[(1, 80090320), (2, 40045160), (4, 20022580), (5, 16018064), (8, 10011290), (10, 8009032), (16, 5005645), (19, 4215280), (20, 4004516), (38, 2107640), (40, 2002258), (76, 1053820), (80, 1001129), (95, 843056), (152, 526910), (190, 421528), (304, 263455), (380, 210764), (760, 105382), (1520, 52691)]