68258440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41621}}^1$

素因数の和:41673

約数の個数: 32

約数和(自身を含む): 157331160

約数和(自身を除く): 89072720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41621, 83242, 166484, 208105, 332968, 416210, 832420, 1664840, 1706461, 3412922, 6825844, 8532305, 13651688, 17064610, 34129220, 68258440]

約数ペア:

[(1, 68258440), (2, 34129220), (4, 17064610), (5, 13651688), (8, 8532305), (10, 6825844), (20, 3412922), (40, 1706461), (41, 1664840), (82, 832420), (164, 416210), (205, 332968), (328, 208105), (410, 166484), (820, 83242), (1640, 41621)]