8203640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 19863360

約数和(自身を除く): 11659720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 241, 296, 370, 460, 482, 740, 851, 920, 964, 1205, 1480, 1702, 1928, 2410, 3404, 4255, 4820, 5543, 6808, 8510, 8917, 9640, 11086, 17020, 17834, 22172, 27715, 34040, 35668, 44344, 44585, 55430, 71336, 89170, 110860, 178340, 205091, 221720, 356680, 410182, 820364, 1025455, 1640728, 2050910, 4101820, 8203640]

約数ペア:

[(1, 8203640), (2, 4101820), (4, 2050910), (5, 1640728), (8, 1025455), (10, 820364), (20, 410182), (23, 356680), (37, 221720), (40, 205091), (46, 178340), (74, 110860), (92, 89170), (115, 71336), (148, 55430), (184, 44585), (185, 44344), (230, 35668), (241, 34040), (296, 27715), (370, 22172), (460, 17834), (482, 17020), (740, 11086), (851, 9640), (920, 8917), (964, 8510), (1205, 6808), (1480, 5543), (1702, 4820), (1928, 4255), (2410, 3404)]