42172000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:849

約数の個数: 96

約数和(自身を含む): 111724704

約数和(自身を除く): 69552704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 325, 400, 416, 500, 520, 650, 800, 811, 1000, 1040, 1300, 1622, 1625, 2000, 2080, 2600, 3244, 3250, 4000, 4055, 5200, 6488, 6500, 8110, 10400, 10543, 12976, 13000, 16220, 20275, 21086, 25952, 26000, 32440, 40550, 42172, 52000, 52715, 64880, 81100, 84344, 101375, 105430, 129760, 162200, 168688, 202750, 210860, 263575, 324400, 337376, 405500, 421720, 527150, 648800, 811000, 843440, 1054300, 1317875, 1622000, 1686880, 2108600, 2635750, 3244000, 4217200, 5271500, 8434400, 10543000, 21086000, 42172000]

約数ペア:

[(1, 42172000), (2, 21086000), (4, 10543000), (5, 8434400), (8, 5271500), (10, 4217200), (13, 3244000), (16, 2635750), (20, 2108600), (25, 1686880), (26, 1622000), (32, 1317875), (40, 1054300), (50, 843440), (52, 811000), (65, 648800), (80, 527150), (100, 421720), (104, 405500), (125, 337376), (130, 324400), (160, 263575), (200, 210860), (208, 202750), (250, 168688), (260, 162200), (325, 129760), (400, 105430), (416, 101375), (500, 84344), (520, 81100), (650, 64880), (800, 52715), (811, 52000), (1000, 42172), (1040, 40550), (1300, 32440), (1622, 26000), (1625, 25952), (2000, 21086), (2080, 20275), (2600, 16220), (3244, 13000), (3250, 12976), (4000, 10543), (4055, 10400), (5200, 8110), (6488, 6500)]