72767440

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8831}}^1$

素因数の和:8947

約数の個数: 40

約数和(自身を含む): 170846208

約数和(自身を除く): 98078768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 8831, 17662, 35324, 44155, 70648, 88310, 141296, 176620, 353240, 706480, 909593, 1819186, 3638372, 4547965, 7276744, 9095930, 14553488, 18191860, 36383720, 72767440]

約数ペア:

[(1, 72767440), (2, 36383720), (4, 18191860), (5, 14553488), (8, 9095930), (10, 7276744), (16, 4547965), (20, 3638372), (40, 1819186), (80, 909593), (103, 706480), (206, 353240), (412, 176620), (515, 141296), (824, 88310), (1030, 70648), (1648, 44155), (2060, 35324), (4120, 17662), (8240, 8831)]