196346099720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{80469713}}^1$

素因数の和:80469785

約数の個数: 32

約数和(自身を含む): 449021004120

約数和(自身を除く): 252674904400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 80469713, 160939426, 321878852, 402348565, 643757704, 804697130, 1609394260, 3218788520, 4908652493, 9817304986, 19634609972, 24543262465, 39269219944, 49086524930, 98173049860, 196346099720]

約数ペア:

[(1, 196346099720), (2, 98173049860), (4, 49086524930), (5, 39269219944), (8, 24543262465), (10, 19634609972), (20, 9817304986), (40, 4908652493), (61, 3218788520), (122, 1609394260), (244, 804697130), (305, 643757704), (488, 402348565), (610, 321878852), (1220, 160939426), (2440, 80469713)]