124907320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{76163}}^1$

素因数の和:76215

約数の個数: 32

約数和(自身を含む): 287899920

約数和(自身を除く): 162992600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 76163, 152326, 304652, 380815, 609304, 761630, 1523260, 3046520, 3122683, 6245366, 12490732, 15613415, 24981464, 31226830, 62453660, 124907320]

約数ペア:

[(1, 124907320), (2, 62453660), (4, 31226830), (5, 24981464), (8, 15613415), (10, 12490732), (20, 6245366), (40, 3122683), (41, 3046520), (82, 1523260), (164, 761630), (205, 609304), (328, 380815), (410, 304652), (820, 152326), (1640, 76163)]