31873040

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1667}}^1$

素因数の和:1919

約数の個数: 40

約数和(自身を含む): 74459520

約数和(自身を除く): 42586480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1667, 1912, 2390, 3334, 3824, 4780, 6668, 8335, 9560, 13336, 16670, 19120, 26672, 33340, 66680, 133360, 398413, 796826, 1593652, 1992065, 3187304, 3984130, 6374608, 7968260, 15936520, 31873040]

約数ペア:

[(1, 31873040), (2, 15936520), (4, 7968260), (5, 6374608), (8, 3984130), (10, 3187304), (16, 1992065), (20, 1593652), (40, 796826), (80, 398413), (239, 133360), (478, 66680), (956, 33340), (1195, 26672), (1667, 19120), (1912, 16670), (2390, 13336), (3334, 9560), (3824, 8335), (4780, 6668)]