13255660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 30754080

約数和(自身を除く): 17498420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 677, 890, 979, 1354, 1780, 1958, 2708, 3385, 3916, 4895, 6770, 7447, 9790, 13540, 14894, 19580, 29788, 37235, 60253, 74470, 120506, 148940, 241012, 301265, 602530, 662783, 1205060, 1325566, 2651132, 3313915, 6627830, 13255660]

約数ペア:

[(1, 13255660), (2, 6627830), (4, 3313915), (5, 2651132), (10, 1325566), (11, 1205060), (20, 662783), (22, 602530), (44, 301265), (55, 241012), (89, 148940), (110, 120506), (178, 74470), (220, 60253), (356, 37235), (445, 29788), (677, 19580), (890, 14894), (979, 13540), (1354, 9790), (1780, 7447), (1958, 6770), (2708, 4895), (3385, 3916)]