180959920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{27253}}^1$

素因数の和:27349

約数の個数: 40

約数和(自身を含む): 425816496

約数和(自身を除く): 244856576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 27253, 54506, 109012, 136265, 218024, 272530, 436048, 545060, 1090120, 2180240, 2261999, 4523998, 9047996, 11309995, 18095992, 22619990, 36191984, 45239980, 90479960, 180959920]

約数ペア:

[(1, 180959920), (2, 90479960), (4, 45239980), (5, 36191984), (8, 22619990), (10, 18095992), (16, 11309995), (20, 9047996), (40, 4523998), (80, 2261999), (83, 2180240), (166, 1090120), (332, 545060), (415, 436048), (664, 272530), (830, 218024), (1328, 136265), (1660, 109012), (3320, 54506), (6640, 27253)]