12211960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1873}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 27660240

約数和(自身を除く): 15448280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1873, 3260, 3746, 6520, 7492, 9365, 14984, 18730, 37460, 74920, 305299, 610598, 1221196, 1526495, 2442392, 3052990, 6105980, 12211960]

約数ペア:

[(1, 12211960), (2, 6105980), (4, 3052990), (5, 2442392), (8, 1526495), (10, 1221196), (20, 610598), (40, 305299), (163, 74920), (326, 37460), (652, 18730), (815, 14984), (1304, 9365), (1630, 7492), (1873, 6520), (3260, 3746)]