55545880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2887}}^1$

素因数の和:2948

約数の個数: 64

約数和(自身を含む): 138277440

約数和(自身を除く): 82731560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 2887, 3848, 4810, 5774, 9620, 11548, 14435, 19240, 23096, 28870, 37531, 57740, 75062, 106819, 115480, 150124, 187655, 213638, 300248, 375310, 427276, 534095, 750620, 854552, 1068190, 1388647, 1501240, 2136380, 2777294, 4272760, 5554588, 6943235, 11109176, 13886470, 27772940, 55545880]

約数ペア:

[(1, 55545880), (2, 27772940), (4, 13886470), (5, 11109176), (8, 6943235), (10, 5554588), (13, 4272760), (20, 2777294), (26, 2136380), (37, 1501240), (40, 1388647), (52, 1068190), (65, 854552), (74, 750620), (104, 534095), (130, 427276), (148, 375310), (185, 300248), (260, 213638), (296, 187655), (370, 150124), (481, 115480), (520, 106819), (740, 75062), (962, 57740), (1480, 37531), (1924, 28870), (2405, 23096), (2887, 19240), (3848, 14435), (4810, 11548), (5774, 9620)]