23987500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 55777680

約数和(自身を除く): 31790180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 101, 125, 190, 202, 250, 380, 404, 475, 500, 505, 625, 950, 1010, 1250, 1900, 1919, 2020, 2375, 2500, 2525, 3125, 3838, 4750, 5050, 6250, 7676, 9500, 9595, 10100, 11875, 12500, 12625, 19190, 23750, 25250, 38380, 47500, 47975, 50500, 59375, 63125, 95950, 118750, 126250, 191900, 237500, 239875, 252500, 315625, 479750, 631250, 959500, 1199375, 1262500, 2398750, 4797500, 5996875, 11993750, 23987500]

約数ペア:

[(1, 23987500), (2, 11993750), (4, 5996875), (5, 4797500), (10, 2398750), (19, 1262500), (20, 1199375), (25, 959500), (38, 631250), (50, 479750), (76, 315625), (95, 252500), (100, 239875), (101, 237500), (125, 191900), (190, 126250), (202, 118750), (250, 95950), (380, 63125), (404, 59375), (475, 50500), (500, 47975), (505, 47500), (625, 38380), (950, 25250), (1010, 23750), (1250, 19190), (1900, 12625), (1919, 12500), (2020, 11875), (2375, 10100), (2500, 9595), (2525, 9500), (3125, 7676), (3838, 6250), (4750, 5050)]