31195040

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{809}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 74095560

約数和(自身を除く): 42900520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 482, 809, 964, 1205, 1618, 1928, 2410, 3236, 3856, 4045, 4820, 6472, 7712, 8090, 9640, 12944, 16180, 19280, 25888, 32360, 38560, 64720, 129440, 194969, 389938, 779876, 974845, 1559752, 1949690, 3119504, 3899380, 6239008, 7798760, 15597520, 31195040]

約数ペア:

[(1, 31195040), (2, 15597520), (4, 7798760), (5, 6239008), (8, 3899380), (10, 3119504), (16, 1949690), (20, 1559752), (32, 974845), (40, 779876), (80, 389938), (160, 194969), (241, 129440), (482, 64720), (809, 38560), (964, 32360), (1205, 25888), (1618, 19280), (1928, 16180), (2410, 12944), (3236, 9640), (3856, 8090), (4045, 7712), (4820, 6472)]