28504960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4049}}^1$

素因数の和:4079

約数の個数: 64

約数和(自身を含む): 74358000

約数和(自身を除く): 45853040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 4049, 7040, 8098, 16196, 20245, 32392, 40490, 44539, 64784, 80980, 89078, 129568, 161960, 178156, 222695, 259136, 323920, 356312, 445390, 518272, 647840, 712624, 890780, 1295680, 1425248, 1781560, 2591360, 2850496, 3563120, 5700992, 7126240, 14252480, 28504960]

約数ペア:

[(1, 28504960), (2, 14252480), (4, 7126240), (5, 5700992), (8, 3563120), (10, 2850496), (11, 2591360), (16, 1781560), (20, 1425248), (22, 1295680), (32, 890780), (40, 712624), (44, 647840), (55, 518272), (64, 445390), (80, 356312), (88, 323920), (110, 259136), (128, 222695), (160, 178156), (176, 161960), (220, 129568), (320, 89078), (352, 80980), (440, 64784), (640, 44539), (704, 40490), (880, 32392), (1408, 20245), (1760, 16196), (3520, 8098), (4049, 7040)]