2080495120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2364199}}^1$

素因数の和:2364223

約数の個数: 40

約数和(自身を含む): 5276894400

約数和(自身を除く): 3196399280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2364199, 4728398, 9456796, 11820995, 18913592, 23641990, 26006189, 37827184, 47283980, 52012378, 94567960, 104024756, 130030945, 189135920, 208049512, 260061890, 416099024, 520123780, 1040247560, 2080495120]

約数ペア:

[(1, 2080495120), (2, 1040247560), (4, 520123780), (5, 416099024), (8, 260061890), (10, 208049512), (11, 189135920), (16, 130030945), (20, 104024756), (22, 94567960), (40, 52012378), (44, 47283980), (55, 37827184), (80, 26006189), (88, 23641990), (110, 18913592), (176, 11820995), (220, 9456796), (440, 4728398), (880, 2364199)]