71992280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{105871}}^1$

素因数の和:105899

約数の個数: 32

約数和(自身を含む): 171512640

約数和(自身を除く): 99520360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 105871, 211742, 423484, 529355, 846968, 1058710, 1799807, 2117420, 3599614, 4234840, 7199228, 8999035, 14398456, 17998070, 35996140, 71992280]

約数ペア:

[(1, 71992280), (2, 35996140), (4, 17998070), (5, 14398456), (8, 8999035), (10, 7199228), (17, 4234840), (20, 3599614), (34, 2117420), (40, 1799807), (68, 1058710), (85, 846968), (136, 529355), (170, 423484), (340, 211742), (680, 105871)]