97439920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71647}}^1$

素因数の和:71677

約数の個数: 40

約数和(自身を含む): 239877504

約数和(自身を除く): 142437584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 71647, 143294, 286588, 358235, 573176, 716470, 1146352, 1217999, 1432940, 2435998, 2865880, 4871996, 5731760, 6089995, 9743992, 12179990, 19487984, 24359980, 48719960, 97439920]

約数ペア:

[(1, 97439920), (2, 48719960), (4, 24359980), (5, 19487984), (8, 12179990), (10, 9743992), (16, 6089995), (17, 5731760), (20, 4871996), (34, 2865880), (40, 2435998), (68, 1432940), (80, 1217999), (85, 1146352), (136, 716470), (170, 573176), (272, 358235), (340, 286588), (680, 143294), (1360, 71647)]