56561840

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1103}}^1$

素因数の和:1757

約数の個数: 40

約数和(自身を含む): 131830848

約数和(自身を除く): 75269008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1103, 1282, 2206, 2564, 3205, 4412, 5128, 5515, 6410, 8824, 10256, 11030, 12820, 17648, 22060, 25640, 44120, 51280, 88240, 707023, 1414046, 2828092, 3535115, 5656184, 7070230, 11312368, 14140460, 28280920, 56561840]

約数ペア:

[(1, 56561840), (2, 28280920), (4, 14140460), (5, 11312368), (8, 7070230), (10, 5656184), (16, 3535115), (20, 2828092), (40, 1414046), (80, 707023), (641, 88240), (1103, 51280), (1282, 44120), (2206, 25640), (2564, 22060), (3205, 17648), (4412, 12820), (5128, 11030), (5515, 10256), (6410, 8824)]