138565520

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2141}}^1$

素因数の和:2963

約数の個数: 40

約数和(自身を含む): 322713720

約数和(自身を除く): 184148200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 2141, 3236, 4045, 4282, 6472, 8090, 8564, 10705, 12944, 16180, 17128, 21410, 32360, 34256, 42820, 64720, 85640, 171280, 1732069, 3464138, 6928276, 8660345, 13856552, 17320690, 27713104, 34641380, 69282760, 138565520]

約数ペア:

[(1, 138565520), (2, 69282760), (4, 34641380), (5, 27713104), (8, 17320690), (10, 13856552), (16, 8660345), (20, 6928276), (40, 3464138), (80, 1732069), (809, 171280), (1618, 85640), (2141, 64720), (3236, 42820), (4045, 34256), (4282, 32360), (6472, 21410), (8090, 17128), (8564, 16180), (10705, 12944)]