65458780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 142248960

約数和(自身を除く): 76790180

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 166, 188, 235, 332, 415, 470, 830, 839, 940, 1660, 1678, 3356, 3901, 4195, 7802, 8390, 15604, 16780, 19505, 39010, 39433, 69637, 78020, 78866, 139274, 157732, 197165, 278548, 348185, 394330, 696370, 788660, 1392740, 3272939, 6545878, 13091756, 16364695, 32729390, 65458780]

約数ペア:

[(1, 65458780), (2, 32729390), (4, 16364695), (5, 13091756), (10, 6545878), (20, 3272939), (47, 1392740), (83, 788660), (94, 696370), (166, 394330), (188, 348185), (235, 278548), (332, 197165), (415, 157732), (470, 139274), (830, 78866), (839, 78020), (940, 69637), (1660, 39433), (1678, 39010), (3356, 19505), (3901, 16780), (4195, 15604), (7802, 8390)]