2041505840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53951}}^1$

素因数の和:54018

約数の個数: 80

約数和(自身を含む): 5298518016

約数和(自身を除く): 3257012176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 7568, 9460, 18920, 37840, 53951, 107902, 215804, 269755, 431608, 539510, 593461, 863216, 1079020, 1186922, 2158040, 2319893, 2373844, 2967305, 4316080, 4639786, 4747688, 5934610, 9279572, 9495376, 11599465, 11869220, 18559144, 23198930, 23738440, 25518823, 37118288, 46397860, 47476880, 51037646, 92795720, 102075292, 127594115, 185591440, 204150584, 255188230, 408301168, 510376460, 1020752920, 2041505840]

約数ペア:

[(1, 2041505840), (2, 1020752920), (4, 510376460), (5, 408301168), (8, 255188230), (10, 204150584), (11, 185591440), (16, 127594115), (20, 102075292), (22, 92795720), (40, 51037646), (43, 47476880), (44, 46397860), (55, 37118288), (80, 25518823), (86, 23738440), (88, 23198930), (110, 18559144), (172, 11869220), (176, 11599465), (215, 9495376), (220, 9279572), (344, 5934610), (430, 4747688), (440, 4639786), (473, 4316080), (688, 2967305), (860, 2373844), (880, 2319893), (946, 2158040), (1720, 1186922), (1892, 1079020), (2365, 863216), (3440, 593461), (3784, 539510), (4730, 431608), (7568, 269755), (9460, 215804), (18920, 107902), (37840, 53951)]