13275020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 30820608

約数和(自身を除く): 17545588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 727, 830, 913, 1454, 1660, 1826, 2908, 3635, 3652, 4565, 7270, 7997, 9130, 14540, 15994, 18260, 31988, 39985, 60341, 79970, 120682, 159940, 241364, 301705, 603410, 663751, 1206820, 1327502, 2655004, 3318755, 6637510, 13275020]

約数ペア:

[(1, 13275020), (2, 6637510), (4, 3318755), (5, 2655004), (10, 1327502), (11, 1206820), (20, 663751), (22, 603410), (44, 301705), (55, 241364), (83, 159940), (110, 120682), (166, 79970), (220, 60341), (332, 39985), (415, 31988), (727, 18260), (830, 15994), (913, 14540), (1454, 9130), (1660, 7997), (1826, 7270), (2908, 4565), (3635, 3652)]