7901320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28219}}^1$

素因数の和:28237

約数の個数: 32

約数和(自身を含む): 20318400

約数和(自身を除く): 12417080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28219, 56438, 112876, 141095, 197533, 225752, 282190, 395066, 564380, 790132, 987665, 1128760, 1580264, 1975330, 3950660, 7901320]

約数ペア:

[(1, 7901320), (2, 3950660), (4, 1975330), (5, 1580264), (7, 1128760), (8, 987665), (10, 790132), (14, 564380), (20, 395066), (28, 282190), (35, 225752), (40, 197533), (56, 141095), (70, 112876), (140, 56438), (280, 28219)]