78792080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31771}}^1$

素因数の和:31815

約数の個数: 40

約数和(自身を含む): 189106944

約数和(自身を除く): 110314864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 31771, 63542, 127084, 158855, 254168, 317710, 508336, 635420, 984901, 1270840, 1969802, 2541680, 3939604, 4924505, 7879208, 9849010, 15758416, 19698020, 39396040, 78792080]

約数ペア:

[(1, 78792080), (2, 39396040), (4, 19698020), (5, 15758416), (8, 9849010), (10, 7879208), (16, 4924505), (20, 3939604), (31, 2541680), (40, 1969802), (62, 1270840), (80, 984901), (124, 635420), (155, 508336), (248, 317710), (310, 254168), (496, 158855), (620, 127084), (1240, 63542), (2480, 31771)]