85212760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 198132480

約数和(自身を除く): 112919720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 223, 233, 328, 410, 446, 466, 820, 892, 932, 1115, 1165, 1640, 1784, 1864, 2230, 2330, 4460, 4660, 8920, 9143, 9320, 9553, 18286, 19106, 36572, 38212, 45715, 47765, 51959, 73144, 76424, 91430, 95530, 103918, 182860, 191060, 207836, 259795, 365720, 382120, 415672, 519590, 1039180, 2078360, 2130319, 4260638, 8521276, 10651595, 17042552, 21303190, 42606380, 85212760]

約数ペア:

[(1, 85212760), (2, 42606380), (4, 21303190), (5, 17042552), (8, 10651595), (10, 8521276), (20, 4260638), (40, 2130319), (41, 2078360), (82, 1039180), (164, 519590), (205, 415672), (223, 382120), (233, 365720), (328, 259795), (410, 207836), (446, 191060), (466, 182860), (820, 103918), (892, 95530), (932, 91430), (1115, 76424), (1165, 73144), (1640, 51959), (1784, 47765), (1864, 45715), (2230, 38212), (2330, 36572), (4460, 19106), (4660, 18286), (8920, 9553), (9143, 9320)]