84705920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10181}}^1$

素因数の和:10213

約数の個数: 64

約数和(自身を含む): 218098440

約数和(自身を除く): 133392520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 10181, 20362, 40724, 50905, 81448, 101810, 132353, 162896, 203620, 264706, 325792, 407240, 529412, 651584, 661765, 814480, 1058824, 1303168, 1323530, 1628960, 2117648, 2647060, 3257920, 4235296, 5294120, 6515840, 8470592, 10588240, 16941184, 21176480, 42352960, 84705920]

約数ペア:

[(1, 84705920), (2, 42352960), (4, 21176480), (5, 16941184), (8, 10588240), (10, 8470592), (13, 6515840), (16, 5294120), (20, 4235296), (26, 3257920), (32, 2647060), (40, 2117648), (52, 1628960), (64, 1323530), (65, 1303168), (80, 1058824), (104, 814480), (128, 661765), (130, 651584), (160, 529412), (208, 407240), (260, 325792), (320, 264706), (416, 203620), (520, 162896), (640, 132353), (832, 101810), (1040, 81448), (1664, 50905), (2080, 40724), (4160, 20362), (8320, 10181)]