18804919160

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{739}}^1\times {\mathrm{1163}}^1$

素因数の和:2460

約数の個数: 64

約数和(自身を含む): 42482275200

約数和(自身を除く): 23677356040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 739, 1094, 1163, 1478, 2188, 2326, 2735, 2956, 3695, 4376, 4652, 5470, 5815, 5912, 7390, 9304, 10940, 11630, 14780, 21880, 23260, 29560, 46520, 404233, 636161, 808466, 859457, 1272322, 1616932, 1718914, 2021165, 2544644, 3180805, 3233864, 3437828, 4042330, 4297285, 5089288, 6361610, 6875656, 8084660, 8594570, 12723220, 16169320, 17189140, 25446440, 34378280, 470122979, 940245958, 1880491916, 2350614895, 3760983832, 4701229790, 9402459580, 18804919160]

約数ペア:

[(1, 18804919160), (2, 9402459580), (4, 4701229790), (5, 3760983832), (8, 2350614895), (10, 1880491916), (20, 940245958), (40, 470122979), (547, 34378280), (739, 25446440), (1094, 17189140), (1163, 16169320), (1478, 12723220), (2188, 8594570), (2326, 8084660), (2735, 6875656), (2956, 6361610), (3695, 5089288), (4376, 4297285), (4652, 4042330), (5470, 3437828), (5815, 3233864), (5912, 3180805), (7390, 2544644), (9304, 2021165), (10940, 1718914), (11630, 1616932), (14780, 1272322), (21880, 859457), (23260, 808466), (29560, 636161), (46520, 404233)]