2079700720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{838589}}^1$

素因数の和:838633

約数の個数: 40

約数和(自身を含む): 4991287680

約数和(自身を除く): 2911586960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 838589, 1677178, 3354356, 4192945, 6708712, 8385890, 13417424, 16771780, 25996259, 33543560, 51992518, 67087120, 103985036, 129981295, 207970072, 259962590, 415940144, 519925180, 1039850360, 2079700720]

約数ペア:

[(1, 2079700720), (2, 1039850360), (4, 519925180), (5, 415940144), (8, 259962590), (10, 207970072), (16, 129981295), (20, 103985036), (31, 67087120), (40, 51992518), (62, 33543560), (80, 25996259), (124, 16771780), (155, 13417424), (248, 8385890), (310, 6708712), (496, 4192945), (620, 3354356), (1240, 1677178), (2480, 838589)]