25070520

素因数分解:

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

素因数の和:936

約数の個数: 64

約数和(自身を含む): 75543840

約数和(自身を除く): 50473320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 521, 802, 1042, 1203, 1563, 1604, 2005, 2084, 2406, 2605, 3126, 3208, 4010, 4168, 4812, 5210, 6015, 6252, 7815, 8020, 9624, 10420, 12030, 12504, 15630, 16040, 20840, 24060, 31260, 48120, 62520, 208921, 417842, 626763, 835684, 1044605, 1253526, 1671368, 2089210, 2507052, 3133815, 4178420, 5014104, 6267630, 8356840, 12535260, 25070520]

約数ペア:

[(1, 25070520), (2, 12535260), (3, 8356840), (4, 6267630), (5, 5014104), (6, 4178420), (8, 3133815), (10, 2507052), (12, 2089210), (15, 1671368), (20, 1253526), (24, 1044605), (30, 835684), (40, 626763), (60, 417842), (120, 208921), (401, 62520), (521, 48120), (802, 31260), (1042, 24060), (1203, 20840), (1563, 16040), (1604, 15630), (2005, 12504), (2084, 12030), (2406, 10420), (2605, 9624), (3126, 8020), (3208, 7815), (4010, 6252), (4168, 6015), (4812, 5210)]