80151820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7247}}^1$

素因数の和:7342

約数の個数: 48

約数和(自身を含む): 194826240

約数和(自身を除く): 114674420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 7247, 11060, 14494, 28988, 36235, 50729, 72470, 101458, 144940, 202916, 253645, 507290, 572513, 1014580, 1145026, 2290052, 2862565, 4007591, 5725130, 8015182, 11450260, 16030364, 20037955, 40075910, 80151820]

約数ペア:

[(1, 80151820), (2, 40075910), (4, 20037955), (5, 16030364), (7, 11450260), (10, 8015182), (14, 5725130), (20, 4007591), (28, 2862565), (35, 2290052), (70, 1145026), (79, 1014580), (140, 572513), (158, 507290), (316, 253645), (395, 202916), (553, 144940), (790, 101458), (1106, 72470), (1580, 50729), (2212, 36235), (2765, 28988), (5530, 14494), (7247, 11060)]