86722000

素因数分解:

$2^4\times 5^3\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:485

約数の個数: 80

約数和(自身を含む): 211932864

約数和(自身を除く): 125210864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 131, 200, 250, 262, 331, 400, 500, 524, 655, 662, 1000, 1048, 1310, 1324, 1655, 2000, 2096, 2620, 2648, 3275, 3310, 5240, 5296, 6550, 6620, 8275, 10480, 13100, 13240, 16375, 16550, 26200, 26480, 32750, 33100, 41375, 43361, 52400, 65500, 66200, 82750, 86722, 131000, 132400, 165500, 173444, 216805, 262000, 331000, 346888, 433610, 662000, 693776, 867220, 1084025, 1734440, 2168050, 3468880, 4336100, 5420125, 8672200, 10840250, 17344400, 21680500, 43361000, 86722000]

約数ペア:

[(1, 86722000), (2, 43361000), (4, 21680500), (5, 17344400), (8, 10840250), (10, 8672200), (16, 5420125), (20, 4336100), (25, 3468880), (40, 2168050), (50, 1734440), (80, 1084025), (100, 867220), (125, 693776), (131, 662000), (200, 433610), (250, 346888), (262, 331000), (331, 262000), (400, 216805), (500, 173444), (524, 165500), (655, 132400), (662, 131000), (1000, 86722), (1048, 82750), (1310, 66200), (1324, 65500), (1655, 52400), (2000, 43361), (2096, 41375), (2620, 33100), (2648, 32750), (3275, 26480), (3310, 26200), (5240, 16550), (5296, 16375), (6550, 13240), (6620, 13100), (8275, 10480)]