11438720

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 27888840

約数和(自身を除く): 16450120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 293, 305, 320, 488, 586, 610, 640, 976, 1172, 1220, 1465, 1952, 2344, 2440, 2930, 3904, 4688, 4880, 5860, 7808, 9376, 9760, 11720, 17873, 18752, 19520, 23440, 35746, 37504, 39040, 46880, 71492, 89365, 93760, 142984, 178730, 187520, 285968, 357460, 571936, 714920, 1143872, 1429840, 2287744, 2859680, 5719360, 11438720]

約数ペア:

[(1, 11438720), (2, 5719360), (4, 2859680), (5, 2287744), (8, 1429840), (10, 1143872), (16, 714920), (20, 571936), (32, 357460), (40, 285968), (61, 187520), (64, 178730), (80, 142984), (122, 93760), (128, 89365), (160, 71492), (244, 46880), (293, 39040), (305, 37504), (320, 35746), (488, 23440), (586, 19520), (610, 18752), (640, 17873), (976, 11720), (1172, 9760), (1220, 9376), (1465, 7808), (1952, 5860), (2344, 4880), (2440, 4688), (2930, 3904)]