66587690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 137379564

約数和(自身を除く): 70791874

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 169, 205, 310, 338, 403, 410, 533, 806, 845, 961, 1066, 1271, 1690, 1922, 2015, 2542, 2665, 4030, 4805, 5239, 5330, 6355, 6929, 9610, 10478, 12493, 12710, 13858, 16523, 24986, 26195, 33046, 34645, 39401, 52390, 62465, 69290, 78802, 82615, 124930, 162409, 165230, 197005, 214799, 324818, 394010, 429598, 512213, 812045, 1024426, 1073995, 1624090, 2147990, 2561065, 5122130, 6658769, 13317538, 33293845, 66587690]

約数ペア:

[(1, 66587690), (2, 33293845), (5, 13317538), (10, 6658769), (13, 5122130), (26, 2561065), (31, 2147990), (41, 1624090), (62, 1073995), (65, 1024426), (82, 812045), (130, 512213), (155, 429598), (169, 394010), (205, 324818), (310, 214799), (338, 197005), (403, 165230), (410, 162409), (533, 124930), (806, 82615), (845, 78802), (961, 69290), (1066, 62465), (1271, 52390), (1690, 39401), (1922, 34645), (2015, 33046), (2542, 26195), (2665, 24986), (4030, 16523), (4805, 13858), (5239, 12710), (5330, 12493), (6355, 10478), (6929, 9610)]