71737240

素因数分解:

$2^3\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1597}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 161653680

約数和(自身を除く): 89916440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1123, 1597, 2246, 3194, 4492, 5615, 6388, 7985, 8984, 11230, 12776, 15970, 22460, 31940, 44920, 63880, 1793431, 3586862, 7173724, 8967155, 14347448, 17934310, 35868620, 71737240]

約数ペア:

[(1, 71737240), (2, 35868620), (4, 17934310), (5, 14347448), (8, 8967155), (10, 7173724), (20, 3586862), (40, 1793431), (1123, 63880), (1597, 44920), (2246, 31940), (3194, 22460), (4492, 15970), (5615, 12776), (6388, 11230), (7985, 8984)]