67640000

素因数分解:

$2^6\times 5^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 140

約数和(自身を含む): 178536600

約数和(自身を除く): 110896600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 89, 95, 100, 125, 152, 160, 178, 190, 200, 250, 304, 320, 356, 380, 400, 445, 475, 500, 608, 625, 712, 760, 800, 890, 950, 1000, 1216, 1250, 1424, 1520, 1600, 1691, 1780, 1900, 2000, 2225, 2375, 2500, 2848, 3040, 3382, 3560, 3800, 4000, 4450, 4750, 5000, 5696, 6080, 6764, 7120, 7600, 8000, 8455, 8900, 9500, 10000, 11125, 11875, 13528, 14240, 15200, 16910, 17800, 19000, 20000, 22250, 23750, 27056, 28480, 30400, 33820, 35600, 38000, 40000, 42275, 44500, 47500, 54112, 55625, 67640, 71200, 76000, 84550, 89000, 95000, 108224, 111250, 135280, 142400, 152000, 169100, 178000, 190000, 211375, 222500, 270560, 338200, 356000, 380000, 422750, 445000, 541120, 676400, 712000, 760000, 845500, 890000, 1056875, 1352800, 1691000, 1780000, 2113750, 2705600, 3382000, 3560000, 4227500, 6764000, 8455000, 13528000, 16910000, 33820000, 67640000]

約数ペア:

[(1, 67640000), (2, 33820000), (4, 16910000), (5, 13528000), (8, 8455000), (10, 6764000), (16, 4227500), (19, 3560000), (20, 3382000), (25, 2705600), (32, 2113750), (38, 1780000), (40, 1691000), (50, 1352800), (64, 1056875), (76, 890000), (80, 845500), (89, 760000), (95, 712000), (100, 676400), (125, 541120), (152, 445000), (160, 422750), (178, 380000), (190, 356000), (200, 338200), (250, 270560), (304, 222500), (320, 211375), (356, 190000), (380, 178000), (400, 169100), (445, 152000), (475, 142400), (500, 135280), (608, 111250), (625, 108224), (712, 95000), (760, 89000), (800, 84550), (890, 76000), (950, 71200), (1000, 67640), (1216, 55625), (1250, 54112), (1424, 47500), (1520, 44500), (1600, 42275), (1691, 40000), (1780, 38000), (1900, 35600), (2000, 33820), (2225, 30400), (2375, 28480), (2500, 27056), (2848, 23750), (3040, 22250), (3382, 20000), (3560, 19000), (3800, 17800), (4000, 16910), (4450, 15200), (4750, 14240), (5000, 13528), (5696, 11875), (6080, 11125), (6764, 10000), (7120, 9500), (7600, 8900), (8000, 8455)]