49908040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13711}}^1$

素因数の和:13742

約数の個数: 64

約数和(自身を含む): 138216960

約数和(自身を除く): 88308920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 13711, 27422, 54844, 68555, 95977, 109688, 137110, 178243, 191954, 274220, 356486, 383908, 479885, 548440, 712972, 767816, 891215, 959770, 1247701, 1425944, 1782430, 1919540, 2495402, 3564860, 3839080, 4990804, 6238505, 7129720, 9981608, 12477010, 24954020, 49908040]

約数ペア:

[(1, 49908040), (2, 24954020), (4, 12477010), (5, 9981608), (7, 7129720), (8, 6238505), (10, 4990804), (13, 3839080), (14, 3564860), (20, 2495402), (26, 1919540), (28, 1782430), (35, 1425944), (40, 1247701), (52, 959770), (56, 891215), (65, 767816), (70, 712972), (91, 548440), (104, 479885), (130, 383908), (140, 356486), (182, 274220), (260, 191954), (280, 178243), (364, 137110), (455, 109688), (520, 95977), (728, 68555), (910, 54844), (1820, 27422), (3640, 13711)]