20227979000

素因数分解:

$2^3\times 5^3\times {\mathrm{3181}}^1\times {\mathrm{6359}}^1$

素因数の和:9561

約数の個数: 64

約数和(自身を含む): 47355796800

約数和(自身を除く): 27127817800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 3181, 6359, 6362, 12718, 12724, 15905, 25436, 25448, 31795, 31810, 50872, 63590, 63620, 79525, 127180, 127240, 158975, 159050, 254360, 317950, 318100, 397625, 635900, 636200, 794875, 795250, 1271800, 1589750, 1590500, 3179500, 3181000, 6359000, 20227979, 40455958, 80911916, 101139895, 161823832, 202279790, 404559580, 505699475, 809119160, 1011398950, 2022797900, 2528497375, 4045595800, 5056994750, 10113989500, 20227979000]

約数ペア:

[(1, 20227979000), (2, 10113989500), (4, 5056994750), (5, 4045595800), (8, 2528497375), (10, 2022797900), (20, 1011398950), (25, 809119160), (40, 505699475), (50, 404559580), (100, 202279790), (125, 161823832), (200, 101139895), (250, 80911916), (500, 40455958), (1000, 20227979), (3181, 6359000), (6359, 3181000), (6362, 3179500), (12718, 1590500), (12724, 1589750), (15905, 1271800), (25436, 795250), (25448, 794875), (31795, 636200), (31810, 635900), (50872, 397625), (63590, 318100), (63620, 317950), (79525, 254360), (127180, 159050), (127240, 158975)]