22513750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 50383872

約数和(自身を除く): 27870122

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 83, 125, 155, 166, 175, 217, 250, 310, 350, 415, 434, 581, 625, 775, 830, 875, 1085, 1162, 1250, 1550, 1750, 2075, 2170, 2573, 2905, 3875, 4150, 4375, 5146, 5425, 5810, 7750, 8750, 10375, 10850, 12865, 14525, 18011, 19375, 20750, 25730, 27125, 29050, 36022, 38750, 51875, 54250, 64325, 72625, 90055, 103750, 128650, 135625, 145250, 180110, 271250, 321625, 363125, 450275, 643250, 726250, 900550, 1608125, 2251375, 3216250, 4502750, 11256875, 22513750]

約数ペア:

[(1, 22513750), (2, 11256875), (5, 4502750), (7, 3216250), (10, 2251375), (14, 1608125), (25, 900550), (31, 726250), (35, 643250), (50, 450275), (62, 363125), (70, 321625), (83, 271250), (125, 180110), (155, 145250), (166, 135625), (175, 128650), (217, 103750), (250, 90055), (310, 72625), (350, 64325), (415, 54250), (434, 51875), (581, 38750), (625, 36022), (775, 29050), (830, 27125), (875, 25730), (1085, 20750), (1162, 19375), (1250, 18011), (1550, 14525), (1750, 12865), (2075, 10850), (2170, 10375), (2573, 8750), (2905, 7750), (3875, 5810), (4150, 5425), (4375, 5146)]