31193720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5953}}^1$

素因数の和:6095

約数の個数: 32

約数和(自身を含む): 70733520

約数和(自身を除く): 39539800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 5953, 11906, 23812, 29765, 47624, 59530, 119060, 238120, 779843, 1559686, 3119372, 3899215, 6238744, 7798430, 15596860, 31193720]

約数ペア:

[(1, 31193720), (2, 15596860), (4, 7798430), (5, 6238744), (8, 3899215), (10, 3119372), (20, 1559686), (40, 779843), (131, 238120), (262, 119060), (524, 59530), (655, 47624), (1048, 29765), (1310, 23812), (2620, 11906), (5240, 5953)]