140986520

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{4019}}^1$

素因数の和:4907

約数の個数: 32

約数和(自身を含む): 317660400

約数和(自身を除く): 176673880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1754, 3508, 4019, 4385, 7016, 8038, 8770, 16076, 17540, 20095, 32152, 35080, 40190, 80380, 160760, 3524663, 7049326, 14098652, 17623315, 28197304, 35246630, 70493260, 140986520]

約数ペア:

[(1, 140986520), (2, 70493260), (4, 35246630), (5, 28197304), (8, 17623315), (10, 14098652), (20, 7049326), (40, 3524663), (877, 160760), (1754, 80380), (3508, 40190), (4019, 35080), (4385, 32152), (7016, 20095), (8038, 17540), (8770, 16076)]