26253220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 66528000

約数和(自身を除く): 40274780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 89, 98, 140, 172, 178, 196, 215, 245, 301, 343, 356, 430, 445, 490, 602, 623, 686, 860, 890, 980, 1204, 1246, 1372, 1505, 1715, 1780, 2107, 2492, 3010, 3115, 3430, 3827, 4214, 4361, 6020, 6230, 6860, 7654, 8428, 8722, 10535, 12460, 14749, 15308, 17444, 19135, 21070, 21805, 26789, 29498, 30527, 38270, 42140, 43610, 53578, 58996, 61054, 73745, 76540, 87220, 107156, 122108, 133945, 147490, 152635, 187523, 267890, 294980, 305270, 375046, 535780, 610540, 750092, 937615, 1312661, 1875230, 2625322, 3750460, 5250644, 6563305, 13126610, 26253220]

約数ペア:

[(1, 26253220), (2, 13126610), (4, 6563305), (5, 5250644), (7, 3750460), (10, 2625322), (14, 1875230), (20, 1312661), (28, 937615), (35, 750092), (43, 610540), (49, 535780), (70, 375046), (86, 305270), (89, 294980), (98, 267890), (140, 187523), (172, 152635), (178, 147490), (196, 133945), (215, 122108), (245, 107156), (301, 87220), (343, 76540), (356, 73745), (430, 61054), (445, 58996), (490, 53578), (602, 43610), (623, 42140), (686, 38270), (860, 30527), (890, 29498), (980, 26789), (1204, 21805), (1246, 21070), (1372, 19135), (1505, 17444), (1715, 15308), (1780, 14749), (2107, 12460), (2492, 10535), (3010, 8722), (3115, 8428), (3430, 7654), (3827, 6860), (4214, 6230), (4361, 6020)]