26980000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 120

約数和(自身を含む): 70852320

約数和(自身を除く): 43872320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 71, 76, 80, 95, 100, 125, 142, 152, 160, 190, 200, 250, 284, 304, 355, 380, 400, 475, 500, 568, 608, 625, 710, 760, 800, 950, 1000, 1136, 1250, 1349, 1420, 1520, 1775, 1900, 2000, 2272, 2375, 2500, 2698, 2840, 3040, 3550, 3800, 4000, 4750, 5000, 5396, 5680, 6745, 7100, 7600, 8875, 9500, 10000, 10792, 11360, 11875, 13490, 14200, 15200, 17750, 19000, 20000, 21584, 23750, 26980, 28400, 33725, 35500, 38000, 43168, 44375, 47500, 53960, 56800, 67450, 71000, 76000, 88750, 95000, 107920, 134900, 142000, 168625, 177500, 190000, 215840, 269800, 284000, 337250, 355000, 380000, 539600, 674500, 710000, 843125, 1079200, 1349000, 1420000, 1686250, 2698000, 3372500, 5396000, 6745000, 13490000, 26980000]

約数ペア:

[(1, 26980000), (2, 13490000), (4, 6745000), (5, 5396000), (8, 3372500), (10, 2698000), (16, 1686250), (19, 1420000), (20, 1349000), (25, 1079200), (32, 843125), (38, 710000), (40, 674500), (50, 539600), (71, 380000), (76, 355000), (80, 337250), (95, 284000), (100, 269800), (125, 215840), (142, 190000), (152, 177500), (160, 168625), (190, 142000), (200, 134900), (250, 107920), (284, 95000), (304, 88750), (355, 76000), (380, 71000), (400, 67450), (475, 56800), (500, 53960), (568, 47500), (608, 44375), (625, 43168), (710, 38000), (760, 35500), (800, 33725), (950, 28400), (1000, 26980), (1136, 23750), (1250, 21584), (1349, 20000), (1420, 19000), (1520, 17750), (1775, 15200), (1900, 14200), (2000, 13490), (2272, 11875), (2375, 11360), (2500, 10792), (2698, 10000), (2840, 9500), (3040, 8875), (3550, 7600), (3800, 7100), (4000, 6745), (4750, 5680), (5000, 5396)]