4000418720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{196871}}^1$

素因数の和:197013

約数の個数: 48

約数和(自身を含む): 9525454848

約数和(自身を除く): 5525036128

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, 196871, 393742, 787484, 984355, 1574968, 1968710, 3149936, 3937420, 6299872, 7874840, 15749680, 25002617, 31499360, 50005234, 100010468, 125013085, 200020936, 250026170, 400041872, 500052340, 800083744, 1000104680, 2000209360, 4000418720]

約数ペア:

[(1, 4000418720), (2, 2000209360), (4, 1000104680), (5, 800083744), (8, 500052340), (10, 400041872), (16, 250026170), (20, 200020936), (32, 125013085), (40, 100010468), (80, 50005234), (127, 31499360), (160, 25002617), (254, 15749680), (508, 7874840), (635, 6299872), (1016, 3937420), (1270, 3149936), (2032, 1968710), (2540, 1574968), (4064, 984355), (5080, 787484), (10160, 393742), (20320, 196871)]