84555820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3911}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 189278208

約数和(自身を除く): 104722388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 3911, 4324, 5405, 7822, 10810, 15644, 19555, 21620, 39110, 78220, 89953, 179906, 183817, 359812, 367634, 449765, 735268, 899530, 919085, 1799060, 1838170, 3676340, 4227791, 8455582, 16911164, 21138955, 42277910, 84555820]

約数ペア:

[(1, 84555820), (2, 42277910), (4, 21138955), (5, 16911164), (10, 8455582), (20, 4227791), (23, 3676340), (46, 1838170), (47, 1799060), (92, 919085), (94, 899530), (115, 735268), (188, 449765), (230, 367634), (235, 359812), (460, 183817), (470, 179906), (940, 89953), (1081, 78220), (2162, 39110), (3911, 21620), (4324, 19555), (5405, 15644), (7822, 10810)]