403769680

素因数分解:

$2^4\times 5^1\times {\mathrm{5047121}}^1$

素因数の和:5047134

約数の個数: 20

約数和(自身を含む): 938764692

約数和(自身を除く): 534995012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5047121, 10094242, 20188484, 25235605, 40376968, 50471210, 80753936, 100942420, 201884840, 403769680]

約数ペア:

[(1, 403769680), (2, 201884840), (4, 100942420), (5, 80753936), (8, 50471210), (10, 40376968), (16, 25235605), (20, 20188484), (40, 10094242), (80, 5047121)]