80805100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 187488000

約数和(自身を除く): 106682900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 599, 710, 950, 1198, 1349, 1420, 1775, 1900, 2396, 2698, 2995, 3550, 5396, 5990, 6745, 7100, 11381, 11980, 13490, 14975, 22762, 26980, 29950, 33725, 42529, 45524, 56905, 59900, 67450, 85058, 113810, 134900, 170116, 212645, 227620, 284525, 425290, 569050, 808051, 850580, 1063225, 1138100, 1616102, 2126450, 3232204, 4040255, 4252900, 8080510, 16161020, 20201275, 40402550, 80805100]

約数ペア:

[(1, 80805100), (2, 40402550), (4, 20201275), (5, 16161020), (10, 8080510), (19, 4252900), (20, 4040255), (25, 3232204), (38, 2126450), (50, 1616102), (71, 1138100), (76, 1063225), (95, 850580), (100, 808051), (142, 569050), (190, 425290), (284, 284525), (355, 227620), (380, 212645), (475, 170116), (599, 134900), (710, 113810), (950, 85058), (1198, 67450), (1349, 59900), (1420, 56905), (1775, 45524), (1900, 42529), (2396, 33725), (2698, 29950), (2995, 26980), (3550, 22762), (5396, 14975), (5990, 13490), (6745, 11980), (7100, 11381)]