28077320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22643}}^1$

素因数の和:22685

約数の個数: 32

約数和(自身を含む): 65214720

約数和(自身を除く): 37137400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22643, 45286, 90572, 113215, 181144, 226430, 452860, 701933, 905720, 1403866, 2807732, 3509665, 5615464, 7019330, 14038660, 28077320]

約数ペア:

[(1, 28077320), (2, 14038660), (4, 7019330), (5, 5615464), (8, 3509665), (10, 2807732), (20, 1403866), (31, 905720), (40, 701933), (62, 452860), (124, 226430), (155, 181144), (248, 113215), (310, 90572), (620, 45286), (1240, 22643)]