20154719375

素因数分解:

$5^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{20117}}^1$

素因数の和:20373

約数の個数: 40

約数和(自身を含む): 28910370720

約数和(自身を除く): 8755651345

約数列:

[1, 5, 7, 25, 35, 125, 175, 229, 625, 875, 1145, 1603, 4375, 5725, 8015, 20117, 28625, 40075, 100585, 140819, 143125, 200375, 502925, 704095, 1001875, 2514625, 3520475, 4606793, 12573125, 17602375, 23033965, 32247551, 88011875, 115169825, 161237755, 575849125, 806188775, 2879245625, 4030943875, 20154719375]

約数ペア:

[(1, 20154719375), (5, 4030943875), (7, 2879245625), (25, 806188775), (35, 575849125), (125, 161237755), (175, 115169825), (229, 88011875), (625, 32247551), (875, 23033965), (1145, 17602375), (1603, 12573125), (4375, 4606793), (5725, 3520475), (8015, 2514625), (20117, 1001875), (28625, 704095), (40075, 502925), (100585, 200375), (140819, 143125)]