22920625

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 60

約数和(自身を含む): 36588288

約数和(自身を除く): 13667663

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 125, 155, 169, 175, 217, 325, 403, 455, 625, 775, 845, 875, 1085, 1183, 1625, 2015, 2275, 2821, 3875, 4225, 4375, 5239, 5425, 5915, 8125, 10075, 11375, 14105, 19375, 21125, 26195, 27125, 29575, 36673, 50375, 56875, 70525, 105625, 130975, 135625, 147875, 183365, 251875, 352625, 654875, 739375, 916825, 1763125, 3274375, 4584125, 22920625]

約数ペア:

[(1, 22920625), (5, 4584125), (7, 3274375), (13, 1763125), (25, 916825), (31, 739375), (35, 654875), (65, 352625), (91, 251875), (125, 183365), (155, 147875), (169, 135625), (175, 130975), (217, 105625), (325, 70525), (403, 56875), (455, 50375), (625, 36673), (775, 29575), (845, 27125), (875, 26195), (1085, 21125), (1183, 19375), (1625, 14105), (2015, 11375), (2275, 10075), (2821, 8125), (3875, 5915), (4225, 5425), (4375, 5239)]