16713640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 40383360

約数和(自身を除く): 23669720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 491, 740, 851, 920, 982, 1480, 1702, 1964, 2455, 3404, 3928, 4255, 4910, 6808, 8510, 9820, 11293, 17020, 18167, 19640, 22586, 34040, 36334, 45172, 56465, 72668, 90344, 90835, 112930, 145336, 181670, 225860, 363340, 417841, 451720, 726680, 835682, 1671364, 2089205, 3342728, 4178410, 8356820, 16713640]

約数ペア:

[(1, 16713640), (2, 8356820), (4, 4178410), (5, 3342728), (8, 2089205), (10, 1671364), (20, 835682), (23, 726680), (37, 451720), (40, 417841), (46, 363340), (74, 225860), (92, 181670), (115, 145336), (148, 112930), (184, 90835), (185, 90344), (230, 72668), (296, 56465), (370, 45172), (460, 36334), (491, 34040), (740, 22586), (851, 19640), (920, 18167), (982, 17020), (1480, 11293), (1702, 9820), (1964, 8510), (2455, 6808), (3404, 4910), (3928, 4255)]