71207960

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6569}}^1$

素因数の和:6851

約数の個数: 32

約数和(自身を含む): 160833600

約数和(自身を除く): 89625640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 6569, 10840, 13138, 26276, 32845, 52552, 65690, 131380, 262760, 1780199, 3560398, 7120796, 8900995, 14241592, 17801990, 35603980, 71207960]

約数ペア:

[(1, 71207960), (2, 35603980), (4, 17801990), (5, 14241592), (8, 8900995), (10, 7120796), (20, 3560398), (40, 1780199), (271, 262760), (542, 131380), (1084, 65690), (1355, 52552), (2168, 32845), (2710, 26276), (5420, 13138), (6569, 10840)]