38612240

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{983}}^1$

素因数の和:1487

約数の個数: 40

約数和(自身を含む): 90047808

約数和(自身を除く): 51435568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 983, 1964, 1966, 2455, 3928, 3932, 4910, 4915, 7856, 7864, 9820, 9830, 15728, 19640, 19660, 39280, 39320, 78640, 482653, 965306, 1930612, 2413265, 3861224, 4826530, 7722448, 9653060, 19306120, 38612240]

約数ペア:

[(1, 38612240), (2, 19306120), (4, 9653060), (5, 7722448), (8, 4826530), (10, 3861224), (16, 2413265), (20, 1930612), (40, 965306), (80, 482653), (491, 78640), (982, 39320), (983, 39280), (1964, 19660), (1966, 19640), (2455, 15728), (3928, 9830), (3932, 9820), (4910, 7864), (4915, 7856)]