8826220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 20250720

約数和(自身を除く): 11424500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 409, 415, 818, 830, 1079, 1636, 1660, 2045, 2158, 4090, 4316, 5317, 5395, 8180, 10634, 10790, 21268, 21580, 26585, 33947, 53170, 67894, 106340, 135788, 169735, 339470, 441311, 678940, 882622, 1765244, 2206555, 4413110, 8826220]

約数ペア:

[(1, 8826220), (2, 4413110), (4, 2206555), (5, 1765244), (10, 882622), (13, 678940), (20, 441311), (26, 339470), (52, 169735), (65, 135788), (83, 106340), (130, 67894), (166, 53170), (260, 33947), (332, 26585), (409, 21580), (415, 21268), (818, 10790), (830, 10634), (1079, 8180), (1636, 5395), (1660, 5317), (2045, 4316), (2158, 4090)]