39537680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5431}}^1$

素因数の和:5464

約数の個数: 80

約数和(自身を含む): 113159424

約数和(自身を除く): 73621744

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5431, 7280, 10862, 21724, 27155, 38017, 43448, 54310, 70603, 76034, 86896, 108620, 141206, 152068, 190085, 217240, 282412, 304136, 353015, 380170, 434480, 494221, 564824, 608272, 706030, 760340, 988442, 1129648, 1412060, 1520680, 1976884, 2471105, 2824120, 3041360, 3953768, 4942210, 5648240, 7907536, 9884420, 19768840, 39537680]

約数ペア:

[(1, 39537680), (2, 19768840), (4, 9884420), (5, 7907536), (7, 5648240), (8, 4942210), (10, 3953768), (13, 3041360), (14, 2824120), (16, 2471105), (20, 1976884), (26, 1520680), (28, 1412060), (35, 1129648), (40, 988442), (52, 760340), (56, 706030), (65, 608272), (70, 564824), (80, 494221), (91, 434480), (104, 380170), (112, 353015), (130, 304136), (140, 282412), (182, 217240), (208, 190085), (260, 152068), (280, 141206), (364, 108620), (455, 86896), (520, 76034), (560, 70603), (728, 54310), (910, 43448), (1040, 38017), (1456, 27155), (1820, 21724), (3640, 10862), (5431, 7280)]