417840160

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20563}}^1$

素因数の和:20705

約数の個数: 48

約数和(自身を含む): 994968576

約数和(自身を除く): 577128416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20320, 20563, 41126, 82252, 102815, 164504, 205630, 329008, 411260, 658016, 822520, 1645040, 2611501, 3290080, 5223002, 10446004, 13057505, 20892008, 26115010, 41784016, 52230020, 83568032, 104460040, 208920080, 417840160]

約数ペア:

[(1, 417840160), (2, 208920080), (4, 104460040), (5, 83568032), (8, 52230020), (10, 41784016), (16, 26115010), (20, 20892008), (32, 13057505), (40, 10446004), (80, 5223002), (127, 3290080), (160, 2611501), (254, 1645040), (508, 822520), (635, 658016), (1016, 411260), (1270, 329008), (2032, 205630), (2540, 164504), (4064, 102815), (5080, 82252), (10160, 41126), (20320, 20563)]