79985620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27967}}^1$

素因数の和:28000

約数の個数: 48

約数和(自身を含む): 197342208

約数和(自身を除く): 117356588

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 27967, 55934, 111868, 139835, 279670, 307637, 363571, 559340, 615274, 727142, 1230548, 1454284, 1538185, 1817855, 3076370, 3635710, 3999281, 6152740, 7271420, 7998562, 15997124, 19996405, 39992810, 79985620]

約数ペア:

[(1, 79985620), (2, 39992810), (4, 19996405), (5, 15997124), (10, 7998562), (11, 7271420), (13, 6152740), (20, 3999281), (22, 3635710), (26, 3076370), (44, 1817855), (52, 1538185), (55, 1454284), (65, 1230548), (110, 727142), (130, 615274), (143, 559340), (220, 363571), (260, 307637), (286, 279670), (572, 139835), (715, 111868), (1430, 55934), (2860, 27967)]