85100000

素因数分解:

$2^5\times 5^5\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 144

約数和(自身を含む): 224423136

約数和(自身を除く): 139323136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 37, 40, 46, 50, 74, 80, 92, 100, 115, 125, 148, 160, 184, 185, 200, 230, 250, 296, 368, 370, 400, 460, 500, 575, 592, 625, 736, 740, 800, 851, 920, 925, 1000, 1150, 1184, 1250, 1480, 1702, 1840, 1850, 2000, 2300, 2500, 2875, 2960, 3125, 3404, 3680, 3700, 4000, 4255, 4600, 4625, 5000, 5750, 5920, 6250, 6808, 7400, 8510, 9200, 9250, 10000, 11500, 12500, 13616, 14375, 14800, 17020, 18400, 18500, 20000, 21275, 23000, 23125, 25000, 27232, 28750, 29600, 34040, 37000, 42550, 46000, 46250, 50000, 57500, 68080, 71875, 74000, 85100, 92000, 92500, 100000, 106375, 115000, 115625, 136160, 143750, 148000, 170200, 185000, 212750, 230000, 231250, 287500, 340400, 370000, 425500, 460000, 462500, 531875, 575000, 680800, 740000, 851000, 925000, 1063750, 1150000, 1702000, 1850000, 2127500, 2300000, 2659375, 3404000, 3700000, 4255000, 5318750, 8510000, 10637500, 17020000, 21275000, 42550000, 85100000]

約数ペア:

[(1, 85100000), (2, 42550000), (4, 21275000), (5, 17020000), (8, 10637500), (10, 8510000), (16, 5318750), (20, 4255000), (23, 3700000), (25, 3404000), (32, 2659375), (37, 2300000), (40, 2127500), (46, 1850000), (50, 1702000), (74, 1150000), (80, 1063750), (92, 925000), (100, 851000), (115, 740000), (125, 680800), (148, 575000), (160, 531875), (184, 462500), (185, 460000), (200, 425500), (230, 370000), (250, 340400), (296, 287500), (368, 231250), (370, 230000), (400, 212750), (460, 185000), (500, 170200), (575, 148000), (592, 143750), (625, 136160), (736, 115625), (740, 115000), (800, 106375), (851, 100000), (920, 92500), (925, 92000), (1000, 85100), (1150, 74000), (1184, 71875), (1250, 68080), (1480, 57500), (1702, 50000), (1840, 46250), (1850, 46000), (2000, 42550), (2300, 37000), (2500, 34040), (2875, 29600), (2960, 28750), (3125, 27232), (3404, 25000), (3680, 23125), (3700, 23000), (4000, 21275), (4255, 20000), (4600, 18500), (4625, 18400), (5000, 17020), (5750, 14800), (5920, 14375), (6250, 13616), (6808, 12500), (7400, 11500), (8510, 10000), (9200, 9250)]