8787500

素因数分解:

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

素因数の和:85

約数の個数: 72

約数和(自身を含む): 20779920

約数和(自身を除く): 11992420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 125, 148, 185, 190, 250, 370, 380, 475, 500, 625, 703, 740, 925, 950, 1250, 1406, 1850, 1900, 2375, 2500, 2812, 3125, 3515, 3700, 4625, 4750, 6250, 7030, 9250, 9500, 11875, 12500, 14060, 17575, 18500, 23125, 23750, 35150, 46250, 47500, 59375, 70300, 87875, 92500, 115625, 118750, 175750, 231250, 237500, 351500, 439375, 462500, 878750, 1757500, 2196875, 4393750, 8787500]

約数ペア:

[(1, 8787500), (2, 4393750), (4, 2196875), (5, 1757500), (10, 878750), (19, 462500), (20, 439375), (25, 351500), (37, 237500), (38, 231250), (50, 175750), (74, 118750), (76, 115625), (95, 92500), (100, 87875), (125, 70300), (148, 59375), (185, 47500), (190, 46250), (250, 35150), (370, 23750), (380, 23125), (475, 18500), (500, 17575), (625, 14060), (703, 12500), (740, 11875), (925, 9500), (950, 9250), (1250, 7030), (1406, 6250), (1850, 4750), (1900, 4625), (2375, 3700), (2500, 3515), (2812, 3125)]