257353520

素因数分解:

$2^4\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{2129}}^1$

素因数の和:3653

約数の個数: 40

約数和(自身を含む): 599024160

約数和(自身を除く): 341670640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1511, 2129, 3022, 4258, 6044, 7555, 8516, 10645, 12088, 15110, 17032, 21290, 24176, 30220, 34064, 42580, 60440, 85160, 120880, 170320, 3216919, 6433838, 12867676, 16084595, 25735352, 32169190, 51470704, 64338380, 128676760, 257353520]

約数ペア:

[(1, 257353520), (2, 128676760), (4, 64338380), (5, 51470704), (8, 32169190), (10, 25735352), (16, 16084595), (20, 12867676), (40, 6433838), (80, 3216919), (1511, 170320), (2129, 120880), (3022, 85160), (4258, 60440), (6044, 42580), (7555, 34064), (8516, 30220), (10645, 24176), (12088, 21290), (15110, 17032)]