38860820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 84786240

約数和(自身を除く): 45925420

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 619, 730, 860, 1238, 1460, 2476, 3095, 3139, 6190, 6278, 12380, 12556, 15695, 26617, 31390, 45187, 53234, 62780, 90374, 106468, 133085, 180748, 225935, 266170, 451870, 532340, 903740, 1943041, 3886082, 7772164, 9715205, 19430410, 38860820]

約数ペア:

[(1, 38860820), (2, 19430410), (4, 9715205), (5, 7772164), (10, 3886082), (20, 1943041), (43, 903740), (73, 532340), (86, 451870), (146, 266170), (172, 225935), (215, 180748), (292, 133085), (365, 106468), (430, 90374), (619, 62780), (730, 53234), (860, 45187), (1238, 31390), (1460, 26617), (2476, 15695), (3095, 12556), (3139, 12380), (6190, 6278)]