38158240

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3359}}^1$

素因数の和:3445

約数の個数: 48

約数和(自身を含む): 91445760

約数和(自身を除く): 53287520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 3359, 5680, 6718, 11360, 13436, 16795, 26872, 33590, 53744, 67180, 107488, 134360, 238489, 268720, 476978, 537440, 953956, 1192445, 1907912, 2384890, 3815824, 4769780, 7631648, 9539560, 19079120, 38158240]

約数ペア:

[(1, 38158240), (2, 19079120), (4, 9539560), (5, 7631648), (8, 4769780), (10, 3815824), (16, 2384890), (20, 1907912), (32, 1192445), (40, 953956), (71, 537440), (80, 476978), (142, 268720), (160, 238489), (284, 134360), (355, 107488), (568, 67180), (710, 53744), (1136, 33590), (1420, 26872), (2272, 16795), (2840, 13436), (3359, 11360), (5680, 6718)]