69857240

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2557}}^1$

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 157470480

約数和(自身を除く): 87613240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2557, 2732, 3415, 5114, 5464, 6830, 10228, 12785, 13660, 20456, 25570, 27320, 51140, 102280, 1746431, 3492862, 6985724, 8732155, 13971448, 17464310, 34928620, 69857240]

約数ペア:

[(1, 69857240), (2, 34928620), (4, 17464310), (5, 13971448), (8, 8732155), (10, 6985724), (20, 3492862), (40, 1746431), (683, 102280), (1366, 51140), (2557, 27320), (2732, 25570), (3415, 20456), (5114, 13660), (5464, 12785), (6830, 10228)]