8279200

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 72

約数和(自身を含む): 20623680

約数和(自身を除く): 12344480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 131, 158, 160, 200, 262, 316, 395, 400, 524, 632, 655, 790, 800, 1048, 1264, 1310, 1580, 1975, 2096, 2528, 2620, 3160, 3275, 3950, 4192, 5240, 6320, 6550, 7900, 10349, 10480, 12640, 13100, 15800, 20698, 20960, 26200, 31600, 41396, 51745, 52400, 63200, 82792, 103490, 104800, 165584, 206980, 258725, 331168, 413960, 517450, 827920, 1034900, 1655840, 2069800, 4139600, 8279200]

約数ペア:

[(1, 8279200), (2, 4139600), (4, 2069800), (5, 1655840), (8, 1034900), (10, 827920), (16, 517450), (20, 413960), (25, 331168), (32, 258725), (40, 206980), (50, 165584), (79, 104800), (80, 103490), (100, 82792), (131, 63200), (158, 52400), (160, 51745), (200, 41396), (262, 31600), (316, 26200), (395, 20960), (400, 20698), (524, 15800), (632, 13100), (655, 12640), (790, 10480), (800, 10349), (1048, 7900), (1264, 6550), (1310, 6320), (1580, 5240), (1975, 4192), (2096, 3950), (2528, 3275), (2620, 3160)]