25344880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 65245824

約数和(自身を除く): 39900944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 332, 347, 415, 440, 664, 694, 830, 880, 913, 1328, 1388, 1660, 1735, 1826, 2776, 3320, 3470, 3652, 3817, 4565, 5552, 6640, 6940, 7304, 7634, 9130, 13880, 14608, 15268, 18260, 19085, 27760, 28801, 30536, 36520, 38170, 57602, 61072, 73040, 76340, 115204, 144005, 152680, 230408, 288010, 305360, 316811, 460816, 576020, 633622, 1152040, 1267244, 1584055, 2304080, 2534488, 3168110, 5068976, 6336220, 12672440, 25344880]

約数ペア:

[(1, 25344880), (2, 12672440), (4, 6336220), (5, 5068976), (8, 3168110), (10, 2534488), (11, 2304080), (16, 1584055), (20, 1267244), (22, 1152040), (40, 633622), (44, 576020), (55, 460816), (80, 316811), (83, 305360), (88, 288010), (110, 230408), (166, 152680), (176, 144005), (220, 115204), (332, 76340), (347, 73040), (415, 61072), (440, 57602), (664, 38170), (694, 36520), (830, 30536), (880, 28801), (913, 27760), (1328, 19085), (1388, 18260), (1660, 15268), (1735, 14608), (1826, 13880), (2776, 9130), (3320, 7634), (3470, 7304), (3652, 6940), (3817, 6640), (4565, 5552)]