55756220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1637}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 127135008

約数和(自身を除く): 71378788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1637, 1703, 2620, 3274, 3406, 6548, 6812, 8185, 8515, 16370, 17030, 21281, 32740, 34060, 42562, 85124, 106405, 212810, 214447, 425620, 428894, 857788, 1072235, 2144470, 2787811, 4288940, 5575622, 11151244, 13939055, 27878110, 55756220]

約数ペア:

[(1, 55756220), (2, 27878110), (4, 13939055), (5, 11151244), (10, 5575622), (13, 4288940), (20, 2787811), (26, 2144470), (52, 1072235), (65, 857788), (130, 428894), (131, 425620), (260, 214447), (262, 212810), (524, 106405), (655, 85124), (1310, 42562), (1637, 34060), (1703, 32740), (2620, 21281), (3274, 17030), (3406, 16370), (6548, 8515), (6812, 8185)]