25250680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 96

約数和(自身を含む): 71245440

約数和(自身を除く): 45994760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 991, 1274, 1820, 1960, 1982, 2548, 3185, 3640, 3964, 4955, 5096, 6370, 6937, 7928, 9910, 12740, 12883, 13874, 19820, 25480, 25766, 27748, 34685, 39640, 48559, 51532, 55496, 64415, 69370, 90181, 97118, 103064, 128830, 138740, 180362, 194236, 242795, 257660, 277480, 360724, 388472, 450905, 485590, 515320, 631267, 721448, 901810, 971180, 1262534, 1803620, 1942360, 2525068, 3156335, 3607240, 5050136, 6312670, 12625340, 25250680]

約数ペア:

[(1, 25250680), (2, 12625340), (4, 6312670), (5, 5050136), (7, 3607240), (8, 3156335), (10, 2525068), (13, 1942360), (14, 1803620), (20, 1262534), (26, 971180), (28, 901810), (35, 721448), (40, 631267), (49, 515320), (52, 485590), (56, 450905), (65, 388472), (70, 360724), (91, 277480), (98, 257660), (104, 242795), (130, 194236), (140, 180362), (182, 138740), (196, 128830), (245, 103064), (260, 97118), (280, 90181), (364, 69370), (392, 64415), (455, 55496), (490, 51532), (520, 48559), (637, 39640), (728, 34685), (910, 27748), (980, 25766), (991, 25480), (1274, 19820), (1820, 13874), (1960, 12883), (1982, 12740), (2548, 9910), (3185, 7928), (3640, 6937), (3964, 6370), (4955, 5096)]