42349840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1016

約数の個数: 80

約数和(自身を含む): 108618048

約数和(自身を除く): 66268208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 947, 1040, 1118, 1720, 1894, 2236, 2795, 3440, 3788, 4472, 4735, 5590, 7576, 8944, 9470, 11180, 12311, 15152, 18940, 22360, 24622, 37880, 40721, 44720, 49244, 61555, 75760, 81442, 98488, 123110, 162884, 196976, 203605, 246220, 325768, 407210, 492440, 529373, 651536, 814420, 984880, 1058746, 1628840, 2117492, 2646865, 3257680, 4234984, 5293730, 8469968, 10587460, 21174920, 42349840]

約数ペア:

[(1, 42349840), (2, 21174920), (4, 10587460), (5, 8469968), (8, 5293730), (10, 4234984), (13, 3257680), (16, 2646865), (20, 2117492), (26, 1628840), (40, 1058746), (43, 984880), (52, 814420), (65, 651536), (80, 529373), (86, 492440), (104, 407210), (130, 325768), (172, 246220), (208, 203605), (215, 196976), (260, 162884), (344, 123110), (430, 98488), (520, 81442), (559, 75760), (688, 61555), (860, 49244), (947, 44720), (1040, 40721), (1118, 37880), (1720, 24622), (1894, 22360), (2236, 18940), (2795, 15152), (3440, 12311), (3788, 11180), (4472, 9470), (4735, 8944), (5590, 7576)]