8821670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 19353600

約数和(自身を除く): 10531930

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 199, 286, 310, 341, 398, 403, 682, 715, 806, 995, 1430, 1705, 1990, 2015, 2189, 2587, 3410, 4030, 4378, 4433, 5174, 6169, 8866, 10945, 12338, 12935, 21890, 22165, 25870, 28457, 30845, 44330, 56914, 61690, 67859, 80197, 135718, 142285, 160394, 284570, 339295, 400985, 678590, 801970, 882167, 1764334, 4410835, 8821670]

約数ペア:

[(1, 8821670), (2, 4410835), (5, 1764334), (10, 882167), (11, 801970), (13, 678590), (22, 400985), (26, 339295), (31, 284570), (55, 160394), (62, 142285), (65, 135718), (110, 80197), (130, 67859), (143, 61690), (155, 56914), (199, 44330), (286, 30845), (310, 28457), (341, 25870), (398, 22165), (403, 21890), (682, 12935), (715, 12338), (806, 10945), (995, 8866), (1430, 6169), (1705, 5174), (1990, 4433), (2015, 4378), (2189, 4030), (2587, 3410)]