9061720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2243}}^1$

素因数の和:2355

約数の個数: 32

約数和(自身を含む): 20599920

約数和(自身を除く): 11538200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2243, 4040, 4486, 8972, 11215, 17944, 22430, 44860, 89720, 226543, 453086, 906172, 1132715, 1812344, 2265430, 4530860, 9061720]

約数ペア:

[(1, 9061720), (2, 4530860), (4, 2265430), (5, 1812344), (8, 1132715), (10, 906172), (20, 453086), (40, 226543), (101, 89720), (202, 44860), (404, 22430), (505, 17944), (808, 11215), (1010, 8972), (2020, 4486), (2243, 4040)]