28672880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 73120320

約数和(自身を除く): 44447440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 727, 986, 1160, 1360, 1454, 1972, 2320, 2465, 2908, 3635, 3944, 4930, 5816, 7270, 7888, 9860, 11632, 12359, 14540, 19720, 21083, 24718, 29080, 39440, 42166, 49436, 58160, 61795, 84332, 98872, 105415, 123590, 168664, 197744, 210830, 247180, 337328, 358411, 421660, 494360, 716822, 843320, 988720, 1433644, 1686640, 1792055, 2867288, 3584110, 5734576, 7168220, 14336440, 28672880]

約数ペア:

[(1, 28672880), (2, 14336440), (4, 7168220), (5, 5734576), (8, 3584110), (10, 2867288), (16, 1792055), (17, 1686640), (20, 1433644), (29, 988720), (34, 843320), (40, 716822), (58, 494360), (68, 421660), (80, 358411), (85, 337328), (116, 247180), (136, 210830), (145, 197744), (170, 168664), (232, 123590), (272, 105415), (290, 98872), (340, 84332), (464, 61795), (493, 58160), (580, 49436), (680, 42166), (727, 39440), (986, 29080), (1160, 24718), (1360, 21083), (1454, 19720), (1972, 14540), (2320, 12359), (2465, 11632), (2908, 9860), (3635, 7888), (3944, 7270), (4930, 5816)]