26778740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 61736472

約数和(自身を除く): 34957732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 113, 164, 170, 205, 226, 289, 340, 410, 452, 565, 578, 697, 820, 1130, 1156, 1394, 1445, 1921, 2260, 2788, 2890, 3485, 3842, 4633, 5780, 6970, 7684, 9266, 9605, 11849, 13940, 18532, 19210, 23165, 23698, 32657, 38420, 46330, 47396, 59245, 65314, 78761, 92660, 118490, 130628, 157522, 163285, 236980, 315044, 326570, 393805, 653140, 787610, 1338937, 1575220, 2677874, 5355748, 6694685, 13389370, 26778740]

約数ペア:

[(1, 26778740), (2, 13389370), (4, 6694685), (5, 5355748), (10, 2677874), (17, 1575220), (20, 1338937), (34, 787610), (41, 653140), (68, 393805), (82, 326570), (85, 315044), (113, 236980), (164, 163285), (170, 157522), (205, 130628), (226, 118490), (289, 92660), (340, 78761), (410, 65314), (452, 59245), (565, 47396), (578, 46330), (697, 38420), (820, 32657), (1130, 23698), (1156, 23165), (1394, 19210), (1445, 18532), (1921, 13940), (2260, 11849), (2788, 9605), (2890, 9266), (3485, 7684), (3842, 6970), (4633, 5780)]