12625340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1027

約数の個数: 72

約数和(自身を含む): 33247872

約数和(自身を除く): 20622532

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 991, 1274, 1820, 1982, 2548, 3185, 3964, 4955, 6370, 6937, 9910, 12740, 12883, 13874, 19820, 25766, 27748, 34685, 48559, 51532, 64415, 69370, 90181, 97118, 128830, 138740, 180362, 194236, 242795, 257660, 360724, 450905, 485590, 631267, 901810, 971180, 1262534, 1803620, 2525068, 3156335, 6312670, 12625340]

約数ペア:

[(1, 12625340), (2, 6312670), (4, 3156335), (5, 2525068), (7, 1803620), (10, 1262534), (13, 971180), (14, 901810), (20, 631267), (26, 485590), (28, 450905), (35, 360724), (49, 257660), (52, 242795), (65, 194236), (70, 180362), (91, 138740), (98, 128830), (130, 97118), (140, 90181), (182, 69370), (196, 64415), (245, 51532), (260, 48559), (364, 34685), (455, 27748), (490, 25766), (637, 19820), (910, 13874), (980, 12883), (991, 12740), (1274, 9910), (1820, 6937), (1982, 6370), (2548, 4955), (3185, 3964)]