396160

素因数分解:

$2^7\times 5^1\times {\mathrm{619}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 948600

約数和(自身を除く): 552440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 619, 640, 1238, 2476, 3095, 4952, 6190, 9904, 12380, 19808, 24760, 39616, 49520, 79232, 99040, 198080, 396160]

約数ペア:

[(1, 396160), (2, 198080), (4, 99040), (5, 79232), (8, 49520), (10, 39616), (16, 24760), (20, 19808), (32, 12380), (40, 9904), (64, 6190), (80, 4952), (128, 3095), (160, 2476), (320, 1238), (619, 640)]