1616381980

素因数分解:

$2^2\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{31607}}^1$

素因数の和:34173

約数の個数: 24

約数和(自身を含む): 3395837088

約数和(自身を除く): 1779455108

約数列:

[1, 2, 4, 5, 10, 20, 2557, 5114, 10228, 12785, 25570, 31607, 51140, 63214, 126428, 158035, 316070, 632140, 80819099, 161638198, 323276396, 404095495, 808190990, 1616381980]

約数ペア:

[(1, 1616381980), (2, 808190990), (4, 404095495), (5, 323276396), (10, 161638198), (20, 80819099), (2557, 632140), (5114, 316070), (10228, 158035), (12785, 126428), (25570, 63214), (31607, 51140)]