4289240

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 9726480

約数和(自身を除く): 5437240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 683, 785, 1256, 1366, 1570, 2732, 3140, 3415, 5464, 6280, 6830, 13660, 27320, 107231, 214462, 428924, 536155, 857848, 1072310, 2144620, 4289240]

約数ペア:

[(1, 4289240), (2, 2144620), (4, 1072310), (5, 857848), (8, 536155), (10, 428924), (20, 214462), (40, 107231), (157, 27320), (314, 13660), (628, 6830), (683, 6280), (785, 5464), (1256, 3415), (1366, 3140), (1570, 2732)]