25679170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 53032320

約数和(自身を除く): 27353150

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 61, 86, 89, 110, 122, 178, 215, 305, 430, 445, 473, 610, 671, 890, 946, 979, 1342, 1958, 2365, 2623, 3355, 3827, 4730, 4895, 5246, 5429, 6710, 7654, 9790, 10858, 13115, 19135, 26230, 27145, 28853, 38270, 42097, 54290, 57706, 59719, 84194, 119438, 144265, 210485, 233447, 288530, 298595, 420970, 466894, 597190, 1167235, 2334470, 2567917, 5135834, 12839585, 25679170]

約数ペア:

[(1, 25679170), (2, 12839585), (5, 5135834), (10, 2567917), (11, 2334470), (22, 1167235), (43, 597190), (55, 466894), (61, 420970), (86, 298595), (89, 288530), (110, 233447), (122, 210485), (178, 144265), (215, 119438), (305, 84194), (430, 59719), (445, 57706), (473, 54290), (610, 42097), (671, 38270), (890, 28853), (946, 27145), (979, 26230), (1342, 19135), (1958, 13115), (2365, 10858), (2623, 9790), (3355, 7654), (3827, 6710), (4730, 5429), (4895, 5246)]