12551440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 21196400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 839, 880, 935, 1360, 1496, 1678, 1870, 2992, 3356, 3740, 4195, 6712, 7480, 8390, 9229, 13424, 14263, 14960, 16780, 18458, 28526, 33560, 36916, 46145, 57052, 67120, 71315, 73832, 92290, 114104, 142630, 147664, 156893, 184580, 228208, 285260, 313786, 369160, 570520, 627572, 738320, 784465, 1141040, 1255144, 1568930, 2510288, 3137860, 6275720, 12551440]

約数ペア:

[(1, 12551440), (2, 6275720), (4, 3137860), (5, 2510288), (8, 1568930), (10, 1255144), (11, 1141040), (16, 784465), (17, 738320), (20, 627572), (22, 570520), (34, 369160), (40, 313786), (44, 285260), (55, 228208), (68, 184580), (80, 156893), (85, 147664), (88, 142630), (110, 114104), (136, 92290), (170, 73832), (176, 71315), (187, 67120), (220, 57052), (272, 46145), (340, 36916), (374, 33560), (440, 28526), (680, 18458), (748, 16780), (839, 14960), (880, 14263), (935, 13424), (1360, 9229), (1496, 8390), (1678, 7480), (1870, 6712), (2992, 4195), (3356, 3740)]