2104280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 4890240

約数和(自身を除く): 2785960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1697, 3394, 6788, 8485, 13576, 16970, 33940, 52607, 67880, 105214, 210428, 263035, 420856, 526070, 1052140, 2104280]

約数ペア:

[(1, 2104280), (2, 1052140), (4, 526070), (5, 420856), (8, 263035), (10, 210428), (20, 105214), (31, 67880), (40, 52607), (62, 33940), (124, 16970), (155, 13576), (248, 8485), (310, 6788), (620, 3394), (1240, 1697)]