520840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 1215000

約数和(自身を除く): 694160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 449, 580, 898, 1160, 1796, 2245, 3592, 4490, 8980, 13021, 17960, 26042, 52084, 65105, 104168, 130210, 260420, 520840]

約数ペア:

[(1, 520840), (2, 260420), (4, 130210), (5, 104168), (8, 65105), (10, 52084), (20, 26042), (29, 17960), (40, 13021), (58, 8980), (116, 4490), (145, 3592), (232, 2245), (290, 1796), (449, 1160), (580, 898)]