31183240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 77267520

約数和(自身を除く): 46084280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 541, 655, 1048, 1082, 1310, 1441, 2164, 2620, 2705, 2882, 4328, 5240, 5410, 5764, 5951, 7205, 10820, 11528, 11902, 14410, 21640, 23804, 28820, 29755, 47608, 57640, 59510, 70871, 119020, 141742, 238040, 283484, 354355, 566968, 708710, 779581, 1417420, 1559162, 2834840, 3118324, 3897905, 6236648, 7795810, 15591620, 31183240]

約数ペア:

[(1, 31183240), (2, 15591620), (4, 7795810), (5, 6236648), (8, 3897905), (10, 3118324), (11, 2834840), (20, 1559162), (22, 1417420), (40, 779581), (44, 708710), (55, 566968), (88, 354355), (110, 283484), (131, 238040), (220, 141742), (262, 119020), (440, 70871), (524, 59510), (541, 57640), (655, 47608), (1048, 29755), (1082, 28820), (1310, 23804), (1441, 21640), (2164, 14410), (2620, 11902), (2705, 11528), (2882, 10820), (4328, 7205), (5240, 5951), (5410, 5764)]