12984440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 20884360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 587, 632, 790, 1106, 1174, 1580, 2212, 2348, 2765, 2935, 3160, 4109, 4424, 4696, 5530, 5870, 8218, 11060, 11740, 16436, 20545, 22120, 23480, 32872, 41090, 46373, 82180, 92746, 164360, 185492, 231865, 324611, 370984, 463730, 649222, 927460, 1298444, 1623055, 1854920, 2596888, 3246110, 6492220, 12984440]

約数ペア:

[(1, 12984440), (2, 6492220), (4, 3246110), (5, 2596888), (7, 1854920), (8, 1623055), (10, 1298444), (14, 927460), (20, 649222), (28, 463730), (35, 370984), (40, 324611), (56, 231865), (70, 185492), (79, 164360), (140, 92746), (158, 82180), (280, 46373), (316, 41090), (395, 32872), (553, 23480), (587, 22120), (632, 20545), (790, 16436), (1106, 11740), (1174, 11060), (1580, 8218), (2212, 5870), (2348, 5530), (2765, 4696), (2935, 4424), (3160, 4109)]