13265980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 35392896

約数和(自身を除く): 22126916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 197, 259, 260, 364, 370, 394, 455, 481, 518, 740, 788, 910, 962, 985, 1036, 1295, 1379, 1820, 1924, 1970, 2405, 2561, 2590, 2758, 3367, 3940, 4810, 5122, 5180, 5516, 6734, 6895, 7289, 9620, 10244, 12805, 13468, 13790, 14578, 16835, 17927, 25610, 27580, 29156, 33670, 35854, 36445, 51023, 51220, 67340, 71708, 72890, 89635, 94757, 102046, 145780, 179270, 189514, 204092, 255115, 358540, 379028, 473785, 510230, 663299, 947570, 1020460, 1326598, 1895140, 2653196, 3316495, 6632990, 13265980]

約数ペア:

[(1, 13265980), (2, 6632990), (4, 3316495), (5, 2653196), (7, 1895140), (10, 1326598), (13, 1020460), (14, 947570), (20, 663299), (26, 510230), (28, 473785), (35, 379028), (37, 358540), (52, 255115), (65, 204092), (70, 189514), (74, 179270), (91, 145780), (130, 102046), (140, 94757), (148, 89635), (182, 72890), (185, 71708), (197, 67340), (259, 51220), (260, 51023), (364, 36445), (370, 35854), (394, 33670), (455, 29156), (481, 27580), (518, 25610), (740, 17927), (788, 16835), (910, 14578), (962, 13790), (985, 13468), (1036, 12805), (1295, 10244), (1379, 9620), (1820, 7289), (1924, 6895), (1970, 6734), (2405, 5516), (2561, 5180), (2590, 5122), (2758, 4810), (3367, 3940)]