31370960

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1447}}^1$

素因数の和:1731

約数の個数: 40

約数和(自身を含む): 73257216

約数和(自身を除く): 41886256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 1447, 2168, 2710, 2894, 4336, 5420, 5788, 7235, 10840, 11576, 14470, 21680, 23152, 28940, 57880, 115760, 392137, 784274, 1568548, 1960685, 3137096, 3921370, 6274192, 7842740, 15685480, 31370960]

約数ペア:

[(1, 31370960), (2, 15685480), (4, 7842740), (5, 6274192), (8, 3921370), (10, 3137096), (16, 1960685), (20, 1568548), (40, 784274), (80, 392137), (271, 115760), (542, 57880), (1084, 28940), (1355, 23152), (1447, 21680), (2168, 14470), (2710, 11576), (2894, 10840), (4336, 7235), (5420, 5788)]