15936520

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1667}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 36028800

約数和(自身を除く): 20092280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1667, 1912, 2390, 3334, 4780, 6668, 8335, 9560, 13336, 16670, 33340, 66680, 398413, 796826, 1593652, 1992065, 3187304, 3984130, 7968260, 15936520]

約数ペア:

[(1, 15936520), (2, 7968260), (4, 3984130), (5, 3187304), (8, 1992065), (10, 1593652), (20, 796826), (40, 398413), (239, 66680), (478, 33340), (956, 16670), (1195, 13336), (1667, 9560), (1912, 8335), (2390, 6668), (3334, 4780)]