988971680

素因数分解:

$2^5\times 5^1\times {\mathrm{2423}}^1\times {\mathrm{2551}}^1$

素因数の和:4989

約数の個数: 48

約数和(自身を含む): 2338326144

約数和(自身を除く): 1349354464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2423, 2551, 4846, 5102, 9692, 10204, 12115, 12755, 19384, 20408, 24230, 25510, 38768, 40816, 48460, 51020, 77536, 81632, 96920, 102040, 193840, 204080, 387680, 408160, 6181073, 12362146, 24724292, 30905365, 49448584, 61810730, 98897168, 123621460, 197794336, 247242920, 494485840, 988971680]

約数ペア:

[(1, 988971680), (2, 494485840), (4, 247242920), (5, 197794336), (8, 123621460), (10, 98897168), (16, 61810730), (20, 49448584), (32, 30905365), (40, 24724292), (80, 12362146), (160, 6181073), (2423, 408160), (2551, 387680), (4846, 204080), (5102, 193840), (9692, 102040), (10204, 96920), (12115, 81632), (12755, 77536), (19384, 51020), (20408, 48460), (24230, 40816), (25510, 38768)]