12590120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1931}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 28516320

約数和(自身を除く): 15926200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1931, 3260, 3862, 6520, 7724, 9655, 15448, 19310, 38620, 77240, 314753, 629506, 1259012, 1573765, 2518024, 3147530, 6295060, 12590120]

約数ペア:

[(1, 12590120), (2, 6295060), (4, 3147530), (5, 2518024), (8, 1573765), (10, 1259012), (20, 629506), (40, 314753), (163, 77240), (326, 38620), (652, 19310), (815, 15448), (1304, 9655), (1630, 7724), (1931, 6520), (3260, 3862)]