91231840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{81457}}^1$

素因数の和:81479

約数の個数: 48

約数和(自身を含む): 246328992

約数和(自身を除く): 155097152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 81457, 162914, 325828, 407285, 570199, 651656, 814570, 1140398, 1303312, 1629140, 2280796, 2606624, 2850995, 3258280, 4561592, 5701990, 6516560, 9123184, 11403980, 13033120, 18246368, 22807960, 45615920, 91231840]

約数ペア:

[(1, 91231840), (2, 45615920), (4, 22807960), (5, 18246368), (7, 13033120), (8, 11403980), (10, 9123184), (14, 6516560), (16, 5701990), (20, 4561592), (28, 3258280), (32, 2850995), (35, 2606624), (40, 2280796), (56, 1629140), (70, 1303312), (80, 1140398), (112, 814570), (140, 651656), (160, 570199), (224, 407285), (280, 325828), (560, 162914), (1120, 81457)]