64397240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69997}}^1$

素因数の和:70031

約数の個数: 32

約数和(自身を含む): 151195680

約数和(自身を除く): 86798440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 69997, 139994, 279988, 349985, 559976, 699970, 1399940, 1609931, 2799880, 3219862, 6439724, 8049655, 12879448, 16099310, 32198620, 64397240]

約数ペア:

[(1, 64397240), (2, 32198620), (4, 16099310), (5, 12879448), (8, 8049655), (10, 6439724), (20, 3219862), (23, 2799880), (40, 1609931), (46, 1399940), (92, 699970), (115, 559976), (184, 349985), (230, 279988), (460, 139994), (920, 69997)]