80789060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2339}}^1$

素因数の和:2516

約数の個数: 48

約数和(自身を含む): 186338880

約数和(自身を除く): 105549820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 2339, 3140, 3454, 4678, 6908, 8635, 9356, 11695, 17270, 23390, 25729, 34540, 46780, 51458, 102916, 128645, 257290, 367223, 514580, 734446, 1468892, 1836115, 3672230, 4039453, 7344460, 8078906, 16157812, 20197265, 40394530, 80789060]

約数ペア:

[(1, 80789060), (2, 40394530), (4, 20197265), (5, 16157812), (10, 8078906), (11, 7344460), (20, 4039453), (22, 3672230), (44, 1836115), (55, 1468892), (110, 734446), (157, 514580), (220, 367223), (314, 257290), (628, 128645), (785, 102916), (1570, 51458), (1727, 46780), (2339, 34540), (3140, 25729), (3454, 23390), (4678, 17270), (6908, 11695), (8635, 9356)]