51143620

素因数分解:

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

素因数の和:221

約数の個数: 96

約数和(自身を含む): 123492096

約数和(自身を除く): 72348476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 61, 74, 103, 110, 122, 148, 185, 206, 220, 244, 305, 370, 407, 412, 515, 610, 671, 740, 814, 1030, 1133, 1220, 1342, 1628, 2035, 2060, 2257, 2266, 2684, 3355, 3811, 4070, 4514, 4532, 5665, 6283, 6710, 7622, 8140, 9028, 11285, 11330, 12566, 13420, 15244, 19055, 22570, 22660, 24827, 25132, 31415, 38110, 41921, 45140, 49654, 62830, 69113, 76220, 83842, 99308, 124135, 125660, 138226, 167684, 209605, 232471, 248270, 276452, 345565, 419210, 464942, 496540, 691130, 838420, 929884, 1162355, 1382260, 2324710, 2557181, 4649420, 5114362, 10228724, 12785905, 25571810, 51143620]

約数ペア:

[(1, 51143620), (2, 25571810), (4, 12785905), (5, 10228724), (10, 5114362), (11, 4649420), (20, 2557181), (22, 2324710), (37, 1382260), (44, 1162355), (55, 929884), (61, 838420), (74, 691130), (103, 496540), (110, 464942), (122, 419210), (148, 345565), (185, 276452), (206, 248270), (220, 232471), (244, 209605), (305, 167684), (370, 138226), (407, 125660), (412, 124135), (515, 99308), (610, 83842), (671, 76220), (740, 69113), (814, 62830), (1030, 49654), (1133, 45140), (1220, 41921), (1342, 38110), (1628, 31415), (2035, 25132), (2060, 24827), (2257, 22660), (2266, 22570), (2684, 19055), (3355, 15244), (3811, 13420), (4070, 12566), (4514, 11330), (4532, 11285), (5665, 9028), (6283, 8140), (6710, 7622)]