31419040

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1499}}^1$

素因数の和:1645

約数の個数: 48

約数和(自身を含む): 74844000

約数和(自身を除く): 43424960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 1499, 2096, 2620, 2998, 4192, 5240, 5996, 7495, 10480, 11992, 14990, 20960, 23984, 29980, 47968, 59960, 119920, 196369, 239840, 392738, 785476, 981845, 1570952, 1963690, 3141904, 3927380, 6283808, 7854760, 15709520, 31419040]

約数ペア:

[(1, 31419040), (2, 15709520), (4, 7854760), (5, 6283808), (8, 3927380), (10, 3141904), (16, 1963690), (20, 1570952), (32, 981845), (40, 785476), (80, 392738), (131, 239840), (160, 196369), (262, 119920), (524, 59960), (655, 47968), (1048, 29980), (1310, 23984), (1499, 20960), (2096, 14990), (2620, 11992), (2998, 10480), (4192, 7495), (5240, 5996)]