80871590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 148811040

約数和(自身を除く): 67939450

約数列:

[1, 2, 5, 10, 73, 139, 146, 278, 365, 695, 730, 797, 1390, 1594, 3985, 7970, 10147, 20294, 50735, 58181, 101470, 110783, 116362, 221566, 290905, 553915, 581810, 1107830, 8087159, 16174318, 40435795, 80871590]

約数ペア:

[(1, 80871590), (2, 40435795), (5, 16174318), (10, 8087159), (73, 1107830), (139, 581810), (146, 553915), (278, 290905), (365, 221566), (695, 116362), (730, 110783), (797, 101470), (1390, 58181), (1594, 50735), (3985, 20294), (7970, 10147)]