2031920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2309}}^1$

素因数の和:2333

約数の個数: 40

約数和(自身を含む): 5155920

約数和(自身を除く): 3124000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2309, 4618, 9236, 11545, 18472, 23090, 25399, 36944, 46180, 50798, 92360, 101596, 126995, 184720, 203192, 253990, 406384, 507980, 1015960, 2031920]

約数ペア:

[(1, 2031920), (2, 1015960), (4, 507980), (5, 406384), (8, 253990), (10, 203192), (11, 184720), (16, 126995), (20, 101596), (22, 92360), (40, 50798), (44, 46180), (55, 36944), (80, 25399), (88, 23090), (110, 18472), (176, 11545), (220, 9236), (440, 4618), (880, 2309)]