85839440

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1571}}^1$

素因数の和:2267

約数の個数: 40

約数和(自身を含む): 199996128

約数和(自身を除く): 114156688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1366, 1571, 2732, 3142, 3415, 5464, 6284, 6830, 7855, 10928, 12568, 13660, 15710, 25136, 27320, 31420, 54640, 62840, 125680, 1072993, 2145986, 4291972, 5364965, 8583944, 10729930, 17167888, 21459860, 42919720, 85839440]

約数ペア:

[(1, 85839440), (2, 42919720), (4, 21459860), (5, 17167888), (8, 10729930), (10, 8583944), (16, 5364965), (20, 4291972), (40, 2145986), (80, 1072993), (683, 125680), (1366, 62840), (1571, 54640), (2732, 31420), (3142, 27320), (3415, 25136), (5464, 15710), (6284, 13660), (6830, 12568), (7855, 10928)]