25978040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 70917120

約数和(自身を除く): 44939080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 85, 88, 92, 110, 115, 136, 151, 170, 184, 187, 220, 230, 253, 302, 340, 374, 391, 440, 460, 506, 604, 680, 748, 755, 782, 920, 935, 1012, 1208, 1265, 1496, 1510, 1564, 1661, 1870, 1955, 2024, 2530, 2567, 3020, 3128, 3322, 3473, 3740, 3910, 4301, 5060, 5134, 6040, 6644, 6946, 7480, 7820, 8305, 8602, 10120, 10268, 12835, 13288, 13892, 15640, 16610, 17204, 17365, 20536, 21505, 25670, 27784, 28237, 33220, 34408, 34730, 38203, 43010, 51340, 56474, 59041, 66440, 69460, 76406, 86020, 102680, 112948, 118082, 138920, 141185, 152812, 172040, 191015, 225896, 236164, 282370, 295205, 305624, 382030, 472328, 564740, 590410, 649451, 764060, 1129480, 1180820, 1298902, 1528120, 2361640, 2597804, 3247255, 5195608, 6494510, 12989020, 25978040]

約数ペア:

[(1, 25978040), (2, 12989020), (4, 6494510), (5, 5195608), (8, 3247255), (10, 2597804), (11, 2361640), (17, 1528120), (20, 1298902), (22, 1180820), (23, 1129480), (34, 764060), (40, 649451), (44, 590410), (46, 564740), (55, 472328), (68, 382030), (85, 305624), (88, 295205), (92, 282370), (110, 236164), (115, 225896), (136, 191015), (151, 172040), (170, 152812), (184, 141185), (187, 138920), (220, 118082), (230, 112948), (253, 102680), (302, 86020), (340, 76406), (374, 69460), (391, 66440), (440, 59041), (460, 56474), (506, 51340), (604, 43010), (680, 38203), (748, 34730), (755, 34408), (782, 33220), (920, 28237), (935, 27784), (1012, 25670), (1208, 21505), (1265, 20536), (1496, 17365), (1510, 17204), (1564, 16610), (1661, 15640), (1870, 13892), (1955, 13288), (2024, 12835), (2530, 10268), (2567, 10120), (3020, 8602), (3128, 8305), (3322, 7820), (3473, 7480), (3740, 6946), (3910, 6644), (4301, 6040), (5060, 5134)]