25026800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 65732400

約数和(自身を除く): 40705600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 37, 38, 40, 50, 74, 76, 80, 89, 95, 100, 148, 152, 178, 185, 190, 200, 296, 304, 356, 370, 380, 400, 445, 475, 592, 703, 712, 740, 760, 890, 925, 950, 1406, 1424, 1480, 1520, 1691, 1780, 1850, 1900, 2225, 2812, 2960, 3293, 3382, 3515, 3560, 3700, 3800, 4450, 5624, 6586, 6764, 7030, 7120, 7400, 7600, 8455, 8900, 11248, 13172, 13528, 14060, 14800, 16465, 16910, 17575, 17800, 26344, 27056, 28120, 32930, 33820, 35150, 35600, 42275, 52688, 56240, 62567, 65860, 67640, 70300, 82325, 84550, 125134, 131720, 135280, 140600, 164650, 169100, 250268, 263440, 281200, 312835, 329300, 338200, 500536, 625670, 658600, 676400, 1001072, 1251340, 1317200, 1564175, 2502680, 3128350, 5005360, 6256700, 12513400, 25026800]

約数ペア:

[(1, 25026800), (2, 12513400), (4, 6256700), (5, 5005360), (8, 3128350), (10, 2502680), (16, 1564175), (19, 1317200), (20, 1251340), (25, 1001072), (37, 676400), (38, 658600), (40, 625670), (50, 500536), (74, 338200), (76, 329300), (80, 312835), (89, 281200), (95, 263440), (100, 250268), (148, 169100), (152, 164650), (178, 140600), (185, 135280), (190, 131720), (200, 125134), (296, 84550), (304, 82325), (356, 70300), (370, 67640), (380, 65860), (400, 62567), (445, 56240), (475, 52688), (592, 42275), (703, 35600), (712, 35150), (740, 33820), (760, 32930), (890, 28120), (925, 27056), (950, 26344), (1406, 17800), (1424, 17575), (1480, 16910), (1520, 16465), (1691, 14800), (1780, 14060), (1850, 13528), (1900, 13172), (2225, 11248), (2812, 8900), (2960, 8455), (3293, 7600), (3382, 7400), (3515, 7120), (3560, 7030), (3700, 6764), (3800, 6586), (4450, 5624)]