20144621875

素因数分解:

$5^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40039}}^1$

素因数の和:40094

約数の個数: 48

約数和(自身を含む): 30028078080

約数和(自身を除く): 9883456205

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 625, 805, 875, 2875, 3125, 4025, 4375, 14375, 20125, 21875, 40039, 71875, 100625, 200195, 280273, 503125, 920897, 1000975, 1401365, 4604485, 5004875, 6446279, 7006825, 23022425, 25024375, 32231395, 35034125, 115112125, 125121875, 161156975, 175170625, 575560625, 805784875, 875853125, 2877803125, 4028924375, 20144621875]

約数ペア:

[(1, 20144621875), (5, 4028924375), (7, 2877803125), (23, 875853125), (25, 805784875), (35, 575560625), (115, 175170625), (125, 161156975), (161, 125121875), (175, 115112125), (575, 35034125), (625, 32231395), (805, 25024375), (875, 23022425), (2875, 7006825), (3125, 6446279), (4025, 5004875), (4375, 4604485), (14375, 1401365), (20125, 1000975), (21875, 920897), (40039, 503125), (71875, 280273), (100625, 200195)]