8103820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 18063360

約数和(自身を除く): 9959540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 223, 230, 316, 395, 446, 460, 790, 892, 1115, 1580, 1817, 2230, 3634, 4460, 5129, 7268, 9085, 10258, 17617, 18170, 20516, 25645, 35234, 36340, 51290, 70468, 88085, 102580, 176170, 352340, 405191, 810382, 1620764, 2025955, 4051910, 8103820]

約数ペア:

[(1, 8103820), (2, 4051910), (4, 2025955), (5, 1620764), (10, 810382), (20, 405191), (23, 352340), (46, 176170), (79, 102580), (92, 88085), (115, 70468), (158, 51290), (223, 36340), (230, 35234), (316, 25645), (395, 20516), (446, 18170), (460, 17617), (790, 10258), (892, 9085), (1115, 7268), (1580, 5129), (1817, 4460), (2230, 3634)]