2615690920

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1\times {\mathrm{521}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 5930191440

約数和(自身を除く): 3314500520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 401, 521, 626, 802, 1042, 1252, 1565, 1604, 2005, 2084, 2504, 2605, 3130, 3208, 4010, 4168, 5210, 6260, 8020, 10420, 12520, 16040, 20840, 125513, 163073, 208921, 251026, 326146, 417842, 502052, 627565, 652292, 815365, 835684, 1004104, 1044605, 1255130, 1304584, 1630730, 1671368, 2089210, 2510260, 3261460, 4178420, 5020520, 6522920, 8356840, 65392273, 130784546, 261569092, 326961365, 523138184, 653922730, 1307845460, 2615690920]

約数ペア:

[(1, 2615690920), (2, 1307845460), (4, 653922730), (5, 523138184), (8, 326961365), (10, 261569092), (20, 130784546), (40, 65392273), (313, 8356840), (401, 6522920), (521, 5020520), (626, 4178420), (802, 3261460), (1042, 2510260), (1252, 2089210), (1565, 1671368), (1604, 1630730), (2005, 1304584), (2084, 1255130), (2504, 1044605), (2605, 1004104), (3130, 835684), (3208, 815365), (4010, 652292), (4168, 627565), (5210, 502052), (6260, 417842), (8020, 326146), (10420, 251026), (12520, 208921), (16040, 163073), (20840, 125513)]