28823320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9871}}^1$

素因数の和:9955

約数の個数: 32

約数和(自身を含む): 65747520

約数和(自身を除く): 36924200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 9871, 19742, 39484, 49355, 78968, 98710, 197420, 394840, 720583, 1441166, 2882332, 3602915, 5764664, 7205830, 14411660, 28823320]

約数ペア:

[(1, 28823320), (2, 14411660), (4, 7205830), (5, 5764664), (8, 3602915), (10, 2882332), (20, 1441166), (40, 720583), (73, 394840), (146, 197420), (292, 98710), (365, 78968), (584, 49355), (730, 39484), (1460, 19742), (2920, 9871)]