87042520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11393}}^1$

素因数の和:11595

約数の個数: 32

約数和(自身を含む): 196888320

約数和(自身を除く): 109845800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 11393, 22786, 45572, 56965, 91144, 113930, 227860, 455720, 2176063, 4352126, 8704252, 10880315, 17408504, 21760630, 43521260, 87042520]

約数ペア:

[(1, 87042520), (2, 43521260), (4, 21760630), (5, 17408504), (8, 10880315), (10, 8704252), (20, 4352126), (40, 2176063), (191, 455720), (382, 227860), (764, 113930), (955, 91144), (1528, 56965), (1910, 45572), (3820, 22786), (7640, 11393)]