22181000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 53267760

約数和(自身を除く): 31086760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 541, 820, 1000, 1025, 1082, 1640, 2050, 2164, 2705, 4100, 4328, 5125, 5410, 8200, 10250, 10820, 13525, 20500, 21640, 22181, 27050, 41000, 44362, 54100, 67625, 88724, 108200, 110905, 135250, 177448, 221810, 270500, 443620, 541000, 554525, 887240, 1109050, 2218100, 2772625, 4436200, 5545250, 11090500, 22181000]

約数ペア:

[(1, 22181000), (2, 11090500), (4, 5545250), (5, 4436200), (8, 2772625), (10, 2218100), (20, 1109050), (25, 887240), (40, 554525), (41, 541000), (50, 443620), (82, 270500), (100, 221810), (125, 177448), (164, 135250), (200, 110905), (205, 108200), (250, 88724), (328, 67625), (410, 54100), (500, 44362), (541, 41000), (820, 27050), (1000, 22181), (1025, 21640), (1082, 20500), (1640, 13525), (2050, 10820), (2164, 10250), (2705, 8200), (4100, 5410), (4328, 5125)]