11501440

素因数分解:

$2^7\times 5^1\times {\mathrm{17971}}^1$

素因数の和:17990

約数の個数: 32

約数和(自身を含む): 27497160

約数和(自身を除く): 15995720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 17971, 35942, 71884, 89855, 143768, 179710, 287536, 359420, 575072, 718840, 1150144, 1437680, 2300288, 2875360, 5750720, 11501440]

約数ペア:

[(1, 11501440), (2, 5750720), (4, 2875360), (5, 2300288), (8, 1437680), (10, 1150144), (16, 718840), (20, 575072), (32, 359420), (40, 287536), (64, 179710), (80, 143768), (128, 89855), (160, 71884), (320, 35942), (640, 17971)]