80155870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9811}}^1$

素因数の和:9880

約数の個数: 32

約数和(自身を含む): 155422080

約数和(自身を除く): 75266210

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 9811, 19622, 49055, 98110, 186409, 372818, 421873, 843746, 932045, 1864090, 2109365, 4218730, 8015587, 16031174, 40077935, 80155870]

約数ペア:

[(1, 80155870), (2, 40077935), (5, 16031174), (10, 8015587), (19, 4218730), (38, 2109365), (43, 1864090), (86, 932045), (95, 843746), (190, 421873), (215, 372818), (430, 186409), (817, 98110), (1634, 49055), (4085, 19622), (8170, 9811)]