13788040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2182

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 23225720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2141, 3220, 4282, 6440, 8564, 10705, 14987, 17128, 21410, 29974, 42820, 49243, 59948, 74935, 85640, 98486, 119896, 149870, 196972, 246215, 299740, 344701, 393944, 492430, 599480, 689402, 984860, 1378804, 1723505, 1969720, 2757608, 3447010, 6894020, 13788040]

約数ペア:

[(1, 13788040), (2, 6894020), (4, 3447010), (5, 2757608), (7, 1969720), (8, 1723505), (10, 1378804), (14, 984860), (20, 689402), (23, 599480), (28, 492430), (35, 393944), (40, 344701), (46, 299740), (56, 246215), (70, 196972), (92, 149870), (115, 119896), (140, 98486), (161, 85640), (184, 74935), (230, 59948), (280, 49243), (322, 42820), (460, 29974), (644, 21410), (805, 17128), (920, 14987), (1288, 10705), (1610, 8564), (2141, 6440), (3220, 4282)]