51882220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 124862976

約数和(自身を除く): 72980756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 52, 62, 65, 82, 124, 130, 155, 157, 164, 205, 260, 310, 314, 403, 410, 533, 620, 628, 785, 806, 820, 1066, 1271, 1570, 1612, 2015, 2041, 2132, 2542, 2665, 3140, 4030, 4082, 4867, 5084, 5330, 6355, 6437, 8060, 8164, 9734, 10205, 10660, 12710, 12874, 16523, 19468, 20410, 24335, 25420, 25748, 32185, 33046, 40820, 48670, 63271, 64370, 66092, 82615, 83681, 97340, 126542, 128740, 165230, 167362, 199547, 253084, 316355, 330460, 334724, 399094, 418405, 632710, 798188, 836810, 997735, 1265420, 1673620, 1995470, 2594111, 3990940, 5188222, 10376444, 12970555, 25941110, 51882220]

約数ペア:

[(1, 51882220), (2, 25941110), (4, 12970555), (5, 10376444), (10, 5188222), (13, 3990940), (20, 2594111), (26, 1995470), (31, 1673620), (41, 1265420), (52, 997735), (62, 836810), (65, 798188), (82, 632710), (124, 418405), (130, 399094), (155, 334724), (157, 330460), (164, 316355), (205, 253084), (260, 199547), (310, 167362), (314, 165230), (403, 128740), (410, 126542), (533, 97340), (620, 83681), (628, 82615), (785, 66092), (806, 64370), (820, 63271), (1066, 48670), (1271, 40820), (1570, 33046), (1612, 32185), (2015, 25748), (2041, 25420), (2132, 24335), (2542, 20410), (2665, 19468), (3140, 16523), (4030, 12874), (4082, 12710), (4867, 10660), (5084, 10205), (5330, 9734), (6355, 8164), (6437, 8060)]