40726840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1889}}^1$

素因数の和:1925

約数の個数: 96

約数和(自身を含む): 116348400

約数和(自身を除く): 75621560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1889, 1960, 2156, 2695, 3080, 3778, 4312, 5390, 7556, 9445, 10780, 13223, 15112, 18890, 20779, 21560, 26446, 37780, 41558, 52892, 66115, 75560, 83116, 92561, 103895, 105784, 132230, 145453, 166232, 185122, 207790, 264460, 290906, 370244, 415580, 462805, 528920, 581812, 727265, 740488, 831160, 925610, 1018171, 1163624, 1454530, 1851220, 2036342, 2909060, 3702440, 4072684, 5090855, 5818120, 8145368, 10181710, 20363420, 40726840]

約数ペア:

[(1, 40726840), (2, 20363420), (4, 10181710), (5, 8145368), (7, 5818120), (8, 5090855), (10, 4072684), (11, 3702440), (14, 2909060), (20, 2036342), (22, 1851220), (28, 1454530), (35, 1163624), (40, 1018171), (44, 925610), (49, 831160), (55, 740488), (56, 727265), (70, 581812), (77, 528920), (88, 462805), (98, 415580), (110, 370244), (140, 290906), (154, 264460), (196, 207790), (220, 185122), (245, 166232), (280, 145453), (308, 132230), (385, 105784), (392, 103895), (440, 92561), (490, 83116), (539, 75560), (616, 66115), (770, 52892), (980, 41558), (1078, 37780), (1540, 26446), (1889, 21560), (1960, 20779), (2156, 18890), (2695, 15112), (3080, 13223), (3778, 10780), (4312, 9445), (5390, 7556)]