165544240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33923}}^1$

素因数の和:33997

約数の個数: 40

約数和(自身を含む): 391211568

約数和(自身を除く): 225667328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 33923, 67846, 135692, 169615, 271384, 339230, 542768, 678460, 1356920, 2069303, 2713840, 4138606, 8277212, 10346515, 16554424, 20693030, 33108848, 41386060, 82772120, 165544240]

約数ペア:

[(1, 165544240), (2, 82772120), (4, 41386060), (5, 33108848), (8, 20693030), (10, 16554424), (16, 10346515), (20, 8277212), (40, 4138606), (61, 2713840), (80, 2069303), (122, 1356920), (244, 678460), (305, 542768), (488, 339230), (610, 271384), (976, 169615), (1220, 135692), (2440, 67846), (4880, 33923)]