128286320

素因数分解:

$2^4\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1583}}^1$

素因数の和:2609

約数の個数: 40

約数和(自身を含む): 298748736

約数和(自身を除く): 170462416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1013, 1583, 2026, 3166, 4052, 5065, 6332, 7915, 8104, 10130, 12664, 15830, 16208, 20260, 25328, 31660, 40520, 63320, 81040, 126640, 1603579, 3207158, 6414316, 8017895, 12828632, 16035790, 25657264, 32071580, 64143160, 128286320]

約数ペア:

[(1, 128286320), (2, 64143160), (4, 32071580), (5, 25657264), (8, 16035790), (10, 12828632), (16, 8017895), (20, 6414316), (40, 3207158), (80, 1603579), (1013, 126640), (1583, 81040), (2026, 63320), (3166, 40520), (4052, 31660), (5065, 25328), (6332, 20260), (7915, 16208), (8104, 15830), (10130, 12664)]