56726480

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1361}}^1$

素因数の和:1895

約数の個数: 40

約数和(自身を含む): 132239304

約数和(自身を除く): 75512824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 1361, 2084, 2605, 2722, 4168, 5210, 5444, 6805, 8336, 10420, 10888, 13610, 20840, 21776, 27220, 41680, 54440, 108880, 709081, 1418162, 2836324, 3545405, 5672648, 7090810, 11345296, 14181620, 28363240, 56726480]

約数ペア:

[(1, 56726480), (2, 28363240), (4, 14181620), (5, 11345296), (8, 7090810), (10, 5672648), (16, 3545405), (20, 2836324), (40, 1418162), (80, 709081), (521, 108880), (1042, 54440), (1361, 41680), (2084, 27220), (2605, 21776), (2722, 20840), (4168, 13610), (5210, 10888), (5444, 10420), (6805, 8336)]