82490720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39659}}^1$

素因数の和:39687

約数の個数: 48

約数和(自身を含む): 209880720

約数和(自身を除く): 127390000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 39659, 79318, 158636, 198295, 317272, 396590, 515567, 634544, 793180, 1031134, 1269088, 1586360, 2062268, 2577835, 3172720, 4124536, 5155670, 6345440, 8249072, 10311340, 16498144, 20622680, 41245360, 82490720]

約数ペア:

[(1, 82490720), (2, 41245360), (4, 20622680), (5, 16498144), (8, 10311340), (10, 8249072), (13, 6345440), (16, 5155670), (20, 4124536), (26, 3172720), (32, 2577835), (40, 2062268), (52, 1586360), (65, 1269088), (80, 1031134), (104, 793180), (130, 634544), (160, 515567), (208, 396590), (260, 317272), (416, 198295), (520, 158636), (1040, 79318), (2080, 39659)]