28412120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2083}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 72023040

約数和(自身を除く): 43610920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2083, 2728, 3410, 4166, 6820, 8332, 10415, 13640, 16664, 20830, 22913, 41660, 45826, 64573, 83320, 91652, 114565, 129146, 183304, 229130, 258292, 322865, 458260, 516584, 645730, 710303, 916520, 1291460, 1420606, 2582920, 2841212, 3551515, 5682424, 7103030, 14206060, 28412120]

約数ペア:

[(1, 28412120), (2, 14206060), (4, 7103030), (5, 5682424), (8, 3551515), (10, 2841212), (11, 2582920), (20, 1420606), (22, 1291460), (31, 916520), (40, 710303), (44, 645730), (55, 516584), (62, 458260), (88, 322865), (110, 258292), (124, 229130), (155, 183304), (220, 129146), (248, 114565), (310, 91652), (341, 83320), (440, 64573), (620, 45826), (682, 41660), (1240, 22913), (1364, 20830), (1705, 16664), (2083, 13640), (2728, 10415), (3410, 8332), (4166, 6820)]