8420050625

素因数分解:

$5^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6269}}^1$

素因数の和:6603

約数の個数: 40

約数和(自身を含む): 12065887680

約数和(自身を除く): 3645837055

約数列:

[1, 5, 7, 25, 35, 125, 175, 307, 625, 875, 1535, 2149, 4375, 6269, 7675, 10745, 31345, 38375, 43883, 53725, 156725, 191875, 219415, 268625, 783625, 1097075, 1343125, 1924583, 3918125, 5485375, 9622915, 13472081, 27426875, 48114575, 67360405, 240572875, 336802025, 1202864375, 1684010125, 8420050625]

約数ペア:

[(1, 8420050625), (5, 1684010125), (7, 1202864375), (25, 336802025), (35, 240572875), (125, 67360405), (175, 48114575), (307, 27426875), (625, 13472081), (875, 9622915), (1535, 5485375), (2149, 3918125), (4375, 1924583), (6269, 1343125), (7675, 1097075), (10745, 783625), (31345, 268625), (38375, 219415), (43883, 191875), (53725, 156725)]