51373820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 119218176

約数和(自身を除く): 67844356

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 43, 47, 62, 82, 86, 94, 124, 155, 164, 172, 188, 205, 215, 235, 310, 410, 430, 470, 620, 820, 860, 940, 1271, 1333, 1457, 1763, 1927, 2021, 2542, 2666, 2914, 3526, 3854, 4042, 5084, 5332, 5828, 6355, 6665, 7052, 7285, 7708, 8084, 8815, 9635, 10105, 12710, 13330, 14570, 17630, 19270, 20210, 25420, 26660, 29140, 35260, 38540, 40420, 54653, 59737, 62651, 82861, 109306, 119474, 125302, 165722, 218612, 238948, 250604, 273265, 298685, 313255, 331444, 414305, 546530, 597370, 626510, 828610, 1093060, 1194740, 1253020, 1657220, 2568691, 5137382, 10274764, 12843455, 25686910, 51373820]

約数ペア:

[(1, 51373820), (2, 25686910), (4, 12843455), (5, 10274764), (10, 5137382), (20, 2568691), (31, 1657220), (41, 1253020), (43, 1194740), (47, 1093060), (62, 828610), (82, 626510), (86, 597370), (94, 546530), (124, 414305), (155, 331444), (164, 313255), (172, 298685), (188, 273265), (205, 250604), (215, 238948), (235, 218612), (310, 165722), (410, 125302), (430, 119474), (470, 109306), (620, 82861), (820, 62651), (860, 59737), (940, 54653), (1271, 40420), (1333, 38540), (1457, 35260), (1763, 29140), (1927, 26660), (2021, 25420), (2542, 20210), (2666, 19270), (2914, 17630), (3526, 14570), (3854, 13330), (4042, 12710), (5084, 10105), (5332, 9635), (5828, 8815), (6355, 8084), (6665, 7708), (7052, 7285)]