31504017320

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{811123}}^1$

素因数の和:812105

約数の個数: 32

約数和(自身を含む): 70957127520

約数和(自身を除く): 39453110200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 19420, 38840, 811123, 1622246, 3244492, 4055615, 6488984, 8111230, 16222460, 32444920, 787600433, 1575200866, 3150401732, 3938002165, 6300803464, 7876004330, 15752008660, 31504017320]

約数ペア:

[(1, 31504017320), (2, 15752008660), (4, 7876004330), (5, 6300803464), (8, 3938002165), (10, 3150401732), (20, 1575200866), (40, 787600433), (971, 32444920), (1942, 16222460), (3884, 8111230), (4855, 6488984), (7768, 4055615), (9710, 3244492), (19420, 1622246), (38840, 811123)]