8417120

素因数分解:

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

素因数の和:1743

約数の個数: 48

約数和(自身を含む): 20539008

約数和(自身を除く): 12121888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1697, 2480, 3394, 4960, 6788, 8485, 13576, 16970, 27152, 33940, 52607, 54304, 67880, 105214, 135760, 210428, 263035, 271520, 420856, 526070, 841712, 1052140, 1683424, 2104280, 4208560, 8417120]

約数ペア:

[(1, 8417120), (2, 4208560), (4, 2104280), (5, 1683424), (8, 1052140), (10, 841712), (16, 526070), (20, 420856), (31, 271520), (32, 263035), (40, 210428), (62, 135760), (80, 105214), (124, 67880), (155, 54304), (160, 52607), (248, 33940), (310, 27152), (496, 16970), (620, 13576), (992, 8485), (1240, 6788), (1697, 4960), (2480, 3394)]