27772940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2887}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 64529472

約数和(自身を除く): 36756532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 2887, 4810, 5774, 9620, 11548, 14435, 28870, 37531, 57740, 75062, 106819, 150124, 187655, 213638, 375310, 427276, 534095, 750620, 1068190, 1388647, 2136380, 2777294, 5554588, 6943235, 13886470, 27772940]

約数ペア:

[(1, 27772940), (2, 13886470), (4, 6943235), (5, 5554588), (10, 2777294), (13, 2136380), (20, 1388647), (26, 1068190), (37, 750620), (52, 534095), (65, 427276), (74, 375310), (130, 213638), (148, 187655), (185, 150124), (260, 106819), (370, 75062), (481, 57740), (740, 37531), (962, 28870), (1924, 14435), (2405, 11548), (2887, 9620), (4810, 5774)]