25728340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1409}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 59693760

約数和(自身を除く): 33965420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1409, 1660, 1826, 2818, 3652, 4565, 5636, 7045, 9130, 14090, 15499, 18260, 28180, 30998, 61996, 77495, 116947, 154990, 233894, 309980, 467788, 584735, 1169470, 1286417, 2338940, 2572834, 5145668, 6432085, 12864170, 25728340]

約数ペア:

[(1, 25728340), (2, 12864170), (4, 6432085), (5, 5145668), (10, 2572834), (11, 2338940), (20, 1286417), (22, 1169470), (44, 584735), (55, 467788), (83, 309980), (110, 233894), (166, 154990), (220, 116947), (332, 77495), (415, 61996), (830, 30998), (913, 28180), (1409, 18260), (1660, 15499), (1826, 14090), (2818, 9130), (3652, 7045), (4565, 5636)]