8730280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 21490560

約数和(自身を除く): 12760280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 163, 206, 260, 326, 412, 515, 520, 652, 815, 824, 1030, 1304, 1339, 1630, 2060, 2119, 2678, 3260, 4120, 4238, 5356, 6520, 6695, 8476, 10595, 10712, 13390, 16789, 16952, 21190, 26780, 33578, 42380, 53560, 67156, 83945, 84760, 134312, 167890, 218257, 335780, 436514, 671560, 873028, 1091285, 1746056, 2182570, 4365140, 8730280]

約数ペア:

[(1, 8730280), (2, 4365140), (4, 2182570), (5, 1746056), (8, 1091285), (10, 873028), (13, 671560), (20, 436514), (26, 335780), (40, 218257), (52, 167890), (65, 134312), (103, 84760), (104, 83945), (130, 67156), (163, 53560), (206, 42380), (260, 33578), (326, 26780), (412, 21190), (515, 16952), (520, 16789), (652, 13390), (815, 10712), (824, 10595), (1030, 8476), (1304, 6695), (1339, 6520), (1630, 5356), (2060, 4238), (2119, 4120), (2678, 3260)]