20231340040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{511409}}^1$

素因数の和:511486

約数の個数: 64

約数和(自身を含む): 48604406400

約数和(自身を除く): 28373066360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 19780, 39560, 511409, 1022818, 2045636, 2557045, 4091272, 5114090, 10228180, 11762407, 20456360, 21990587, 23524814, 43981174, 47049628, 58812035, 87962348, 94099256, 109952935, 117624070, 175924696, 219905870, 235248140, 439811740, 470496280, 505783501, 879623480, 1011567002, 2023134004, 2528917505, 4046268008, 5057835010, 10115670020, 20231340040]

約数ペア:

[(1, 20231340040), (2, 10115670020), (4, 5057835010), (5, 4046268008), (8, 2528917505), (10, 2023134004), (20, 1011567002), (23, 879623480), (40, 505783501), (43, 470496280), (46, 439811740), (86, 235248140), (92, 219905870), (115, 175924696), (172, 117624070), (184, 109952935), (215, 94099256), (230, 87962348), (344, 58812035), (430, 47049628), (460, 43981174), (860, 23524814), (920, 21990587), (989, 20456360), (1720, 11762407), (1978, 10228180), (3956, 5114090), (4945, 4091272), (7912, 2557045), (9890, 2045636), (19780, 1022818), (39560, 511409)]