25205740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 38661140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 53, 70, 79, 86, 106, 140, 158, 172, 212, 215, 265, 301, 316, 371, 395, 430, 530, 553, 602, 742, 790, 860, 1060, 1106, 1204, 1484, 1505, 1580, 1855, 2212, 2279, 2765, 3010, 3397, 3710, 4187, 4558, 5530, 6020, 6794, 7420, 8374, 9116, 11060, 11395, 13588, 15953, 16748, 16985, 20935, 22790, 23779, 29309, 31906, 33970, 41870, 45580, 47558, 58618, 63812, 67940, 79765, 83740, 95116, 117236, 118895, 146545, 159530, 180041, 237790, 293090, 319060, 360082, 475580, 586180, 720164, 900205, 1260287, 1800410, 2520574, 3600820, 5041148, 6301435, 12602870, 25205740]

約数ペア:

[(1, 25205740), (2, 12602870), (4, 6301435), (5, 5041148), (7, 3600820), (10, 2520574), (14, 1800410), (20, 1260287), (28, 900205), (35, 720164), (43, 586180), (53, 475580), (70, 360082), (79, 319060), (86, 293090), (106, 237790), (140, 180041), (158, 159530), (172, 146545), (212, 118895), (215, 117236), (265, 95116), (301, 83740), (316, 79765), (371, 67940), (395, 63812), (430, 58618), (530, 47558), (553, 45580), (602, 41870), (742, 33970), (790, 31906), (860, 29309), (1060, 23779), (1106, 22790), (1204, 20935), (1484, 16985), (1505, 16748), (1580, 15953), (1855, 13588), (2212, 11395), (2279, 11060), (2765, 9116), (3010, 8374), (3397, 7420), (3710, 6794), (4187, 6020), (4558, 5530)]