25571810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 52925184

約数和(自身を除く): 27353374

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 61, 74, 103, 110, 122, 185, 206, 305, 370, 407, 515, 610, 671, 814, 1030, 1133, 1342, 2035, 2257, 2266, 3355, 3811, 4070, 4514, 5665, 6283, 6710, 7622, 11285, 11330, 12566, 19055, 22570, 24827, 31415, 38110, 41921, 49654, 62830, 69113, 83842, 124135, 138226, 209605, 232471, 248270, 345565, 419210, 464942, 691130, 1162355, 2324710, 2557181, 5114362, 12785905, 25571810]

約数ペア:

[(1, 25571810), (2, 12785905), (5, 5114362), (10, 2557181), (11, 2324710), (22, 1162355), (37, 691130), (55, 464942), (61, 419210), (74, 345565), (103, 248270), (110, 232471), (122, 209605), (185, 138226), (206, 124135), (305, 83842), (370, 69113), (407, 62830), (515, 49654), (610, 41921), (671, 38110), (814, 31415), (1030, 24827), (1133, 22570), (1342, 19055), (2035, 12566), (2257, 11330), (2266, 11285), (3355, 7622), (3811, 6710), (4070, 6283), (4514, 5665)]