2400080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1611

約数の個数: 40

約数和(自身を含む): 5877600

約数和(自身を除く): 3477520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1579, 3158, 6316, 7895, 12632, 15790, 25264, 30001, 31580, 60002, 63160, 120004, 126320, 150005, 240008, 300010, 480016, 600020, 1200040, 2400080]

約数ペア:

[(1, 2400080), (2, 1200040), (4, 600020), (5, 480016), (8, 300010), (10, 240008), (16, 150005), (19, 126320), (20, 120004), (38, 63160), (40, 60002), (76, 31580), (80, 30001), (95, 25264), (152, 15790), (190, 12632), (304, 7895), (380, 6316), (760, 3158), (1520, 1579)]