9928760

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{619}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 22431600

約数和(自身を除く): 12502840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 619, 802, 1238, 1604, 2005, 2476, 3095, 3208, 4010, 4952, 6190, 8020, 12380, 16040, 24760, 248219, 496438, 992876, 1241095, 1985752, 2482190, 4964380, 9928760]

約数ペア:

[(1, 9928760), (2, 4964380), (4, 2482190), (5, 1985752), (8, 1241095), (10, 992876), (20, 496438), (40, 248219), (401, 24760), (619, 16040), (802, 12380), (1238, 8020), (1604, 6190), (2005, 4952), (2476, 4010), (3095, 3208)]