4382120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 10005120

約数和(自身を除く): 5623000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1543, 2840, 3086, 6172, 7715, 12344, 15430, 30860, 61720, 109553, 219106, 438212, 547765, 876424, 1095530, 2191060, 4382120]

約数ペア:

[(1, 4382120), (2, 2191060), (4, 1095530), (5, 876424), (8, 547765), (10, 438212), (20, 219106), (40, 109553), (71, 61720), (142, 30860), (284, 15430), (355, 12344), (568, 7715), (710, 6172), (1420, 3086), (1543, 2840)]