63988460

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8059}}^1$

素因数の和:8465

約数の個数: 24

約数和(自身を含む): 134730960

約数和(自身を除く): 70742500

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 8059, 16118, 32236, 40295, 80590, 161180, 3199423, 6398846, 12797692, 15997115, 31994230, 63988460]

約数ペア:

[(1, 63988460), (2, 31994230), (4, 15997115), (5, 12797692), (10, 6398846), (20, 3199423), (397, 161180), (794, 80590), (1588, 40295), (1985, 32236), (3970, 16118), (7940, 8059)]