81877240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88997}}^1$

素因数の和:89031

約数の個数: 32

約数和(自身を含む): 192235680

約数和(自身を除く): 110358440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 88997, 177994, 355988, 444985, 711976, 889970, 1779940, 2046931, 3559880, 4093862, 8187724, 10234655, 16375448, 20469310, 40938620, 81877240]

約数ペア:

[(1, 81877240), (2, 40938620), (4, 20469310), (5, 16375448), (8, 10234655), (10, 8187724), (20, 4093862), (23, 3559880), (40, 2046931), (46, 1779940), (92, 889970), (115, 711976), (184, 444985), (230, 355988), (460, 177994), (920, 88997)]