85591280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 209611584

約数和(自身を除く): 124020304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 181, 184, 230, 257, 362, 368, 460, 514, 724, 905, 920, 1028, 1285, 1448, 1810, 1840, 2056, 2570, 2896, 3620, 4112, 4163, 5140, 5911, 7240, 8326, 10280, 11822, 14480, 16652, 20560, 20815, 23644, 29555, 33304, 41630, 46517, 47288, 59110, 66608, 83260, 93034, 94576, 118220, 166520, 186068, 232585, 236440, 333040, 372136, 465170, 472880, 744272, 930340, 1069891, 1860680, 2139782, 3721360, 4279564, 5349455, 8559128, 10698910, 17118256, 21397820, 42795640, 85591280]

約数ペア:

[(1, 85591280), (2, 42795640), (4, 21397820), (5, 17118256), (8, 10698910), (10, 8559128), (16, 5349455), (20, 4279564), (23, 3721360), (40, 2139782), (46, 1860680), (80, 1069891), (92, 930340), (115, 744272), (181, 472880), (184, 465170), (230, 372136), (257, 333040), (362, 236440), (368, 232585), (460, 186068), (514, 166520), (724, 118220), (905, 94576), (920, 93034), (1028, 83260), (1285, 66608), (1448, 59110), (1810, 47288), (1840, 46517), (2056, 41630), (2570, 33304), (2896, 29555), (3620, 23644), (4112, 20815), (4163, 20560), (5140, 16652), (5911, 14480), (7240, 11822), (8326, 10280)]