266256520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{214723}}^1$

素因数の和:214765

約数の個数: 32

約数和(自身を含む): 618405120

約数和(自身を除く): 352148600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 214723, 429446, 858892, 1073615, 1717784, 2147230, 4294460, 6656413, 8588920, 13312826, 26625652, 33282065, 53251304, 66564130, 133128260, 266256520]

約数ペア:

[(1, 266256520), (2, 133128260), (4, 66564130), (5, 53251304), (8, 33282065), (10, 26625652), (20, 13312826), (31, 8588920), (40, 6656413), (62, 4294460), (124, 2147230), (155, 1717784), (248, 1073615), (310, 858892), (620, 429446), (1240, 214723)]