12520750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 26619840

約数和(自身を除く): 14099090

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 125, 145, 157, 250, 275, 290, 314, 319, 550, 638, 725, 785, 1375, 1450, 1570, 1595, 1727, 2750, 3190, 3454, 3625, 3925, 4553, 7250, 7850, 7975, 8635, 9106, 15950, 17270, 19625, 22765, 39250, 39875, 43175, 45530, 50083, 79750, 86350, 100166, 113825, 215875, 227650, 250415, 431750, 500830, 569125, 1138250, 1252075, 2504150, 6260375, 12520750]

約数ペア:

[(1, 12520750), (2, 6260375), (5, 2504150), (10, 1252075), (11, 1138250), (22, 569125), (25, 500830), (29, 431750), (50, 250415), (55, 227650), (58, 215875), (110, 113825), (125, 100166), (145, 86350), (157, 79750), (250, 50083), (275, 45530), (290, 43175), (314, 39875), (319, 39250), (550, 22765), (638, 19625), (725, 17270), (785, 15950), (1375, 9106), (1450, 8635), (1570, 7975), (1595, 7850), (1727, 7250), (2750, 4553), (3190, 3925), (3454, 3625)]