20135654320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{323101}}^1$

素因数の和:323174

約数の個数: 80

約数和(自身を含む): 50481456480

約数和(自身を除く): 30345802160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 3116, 3280, 3895, 6232, 7790, 12464, 15580, 31160, 62320, 323101, 646202, 1292404, 1615505, 2584808, 3231010, 5169616, 6138919, 6462020, 12277838, 12924040, 13247141, 24555676, 25848080, 26494282, 30694595, 49111352, 52988564, 61389190, 66235705, 98222704, 105977128, 122778380, 132471410, 211954256, 245556760, 251695679, 264942820, 491113520, 503391358, 529885640, 1006782716, 1059771280, 1258478395, 2013565432, 2516956790, 4027130864, 5033913580, 10067827160, 20135654320]

約数ペア:

[(1, 20135654320), (2, 10067827160), (4, 5033913580), (5, 4027130864), (8, 2516956790), (10, 2013565432), (16, 1258478395), (19, 1059771280), (20, 1006782716), (38, 529885640), (40, 503391358), (41, 491113520), (76, 264942820), (80, 251695679), (82, 245556760), (95, 211954256), (152, 132471410), (164, 122778380), (190, 105977128), (205, 98222704), (304, 66235705), (328, 61389190), (380, 52988564), (410, 49111352), (656, 30694595), (760, 26494282), (779, 25848080), (820, 24555676), (1520, 13247141), (1558, 12924040), (1640, 12277838), (3116, 6462020), (3280, 6138919), (3895, 5169616), (6232, 3231010), (7790, 2584808), (12464, 1615505), (15580, 1292404), (31160, 646202), (62320, 323101)]