8511860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 20608896

約数和(自身を除く): 12097036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 373, 652, 746, 815, 1141, 1492, 1630, 1865, 2282, 2611, 3260, 3730, 4564, 5222, 5705, 7460, 10444, 11410, 13055, 22820, 26110, 52220, 60799, 121598, 243196, 303995, 425593, 607990, 851186, 1215980, 1702372, 2127965, 4255930, 8511860]

約数ペア:

[(1, 8511860), (2, 4255930), (4, 2127965), (5, 1702372), (7, 1215980), (10, 851186), (14, 607990), (20, 425593), (28, 303995), (35, 243196), (70, 121598), (140, 60799), (163, 52220), (326, 26110), (373, 22820), (652, 13055), (746, 11410), (815, 10444), (1141, 7460), (1492, 5705), (1630, 5222), (1865, 4564), (2282, 3730), (2611, 3260)]