72177080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13171}}^1$

素因数の和:13319

約数の個数: 32

約数和(自身を含む): 163596240

約数和(自身を除く): 91419160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 13171, 26342, 52684, 65855, 105368, 131710, 263420, 526840, 1804427, 3608854, 7217708, 9022135, 14435416, 18044270, 36088540, 72177080]

約数ペア:

[(1, 72177080), (2, 36088540), (4, 18044270), (5, 14435416), (8, 9022135), (10, 7217708), (20, 3608854), (40, 1804427), (137, 526840), (274, 263420), (548, 131710), (685, 105368), (1096, 65855), (1370, 52684), (2740, 26342), (5480, 13171)]