55720640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 112

約数和(自身を含む): 141329664

約数和(自身を除く): 85609024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 137, 155, 160, 164, 205, 248, 274, 310, 320, 328, 410, 496, 548, 620, 656, 685, 820, 992, 1096, 1240, 1271, 1312, 1370, 1640, 1984, 2192, 2480, 2542, 2624, 2740, 3280, 4247, 4384, 4960, 5084, 5480, 5617, 6355, 6560, 8494, 8768, 9920, 10168, 10960, 11234, 12710, 13120, 16988, 20336, 21235, 21920, 22468, 25420, 28085, 33976, 40672, 42470, 43840, 44936, 50840, 56170, 67952, 81344, 84940, 89872, 101680, 112340, 135904, 169880, 174127, 179744, 203360, 224680, 271808, 339760, 348254, 359488, 406720, 449360, 679520, 696508, 870635, 898720, 1359040, 1393016, 1741270, 1797440, 2786032, 3482540, 5572064, 6965080, 11144128, 13930160, 27860320, 55720640]

約数ペア:

[(1, 55720640), (2, 27860320), (4, 13930160), (5, 11144128), (8, 6965080), (10, 5572064), (16, 3482540), (20, 2786032), (31, 1797440), (32, 1741270), (40, 1393016), (41, 1359040), (62, 898720), (64, 870635), (80, 696508), (82, 679520), (124, 449360), (137, 406720), (155, 359488), (160, 348254), (164, 339760), (205, 271808), (248, 224680), (274, 203360), (310, 179744), (320, 174127), (328, 169880), (410, 135904), (496, 112340), (548, 101680), (620, 89872), (656, 84940), (685, 81344), (820, 67952), (992, 56170), (1096, 50840), (1240, 44936), (1271, 43840), (1312, 42470), (1370, 40672), (1640, 33976), (1984, 28085), (2192, 25420), (2480, 22468), (2542, 21920), (2624, 21235), (2740, 20336), (3280, 16988), (4247, 13120), (4384, 12710), (4960, 11234), (5084, 10960), (5480, 10168), (5617, 9920), (6355, 8768), (6560, 8494)]