156980360

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{12619}}^1$

素因数の和:12941

約数の個数: 32

約数和(自身を含む): 354369600

約数和(自身を除く): 197389240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 12619, 25238, 50476, 63095, 100952, 126190, 252380, 504760, 3924509, 7849018, 15698036, 19622545, 31396072, 39245090, 78490180, 156980360]

約数ペア:

[(1, 156980360), (2, 78490180), (4, 39245090), (5, 31396072), (8, 19622545), (10, 15698036), (20, 7849018), (40, 3924509), (311, 504760), (622, 252380), (1244, 126190), (1555, 100952), (2488, 63095), (3110, 50476), (6220, 25238), (12440, 12619)]