38972560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 100475712

約数和(自身を除く): 61503152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 661, 670, 737, 880, 1072, 1322, 1340, 1474, 2644, 2680, 2948, 3305, 3685, 5288, 5360, 5896, 6610, 7271, 7370, 10576, 11792, 13220, 14542, 14740, 26440, 29084, 29480, 36355, 44287, 52880, 58168, 58960, 72710, 88574, 116336, 145420, 177148, 221435, 290840, 354296, 442870, 487157, 581680, 708592, 885740, 974314, 1771480, 1948628, 2435785, 3542960, 3897256, 4871570, 7794512, 9743140, 19486280, 38972560]

約数ペア:

[(1, 38972560), (2, 19486280), (4, 9743140), (5, 7794512), (8, 4871570), (10, 3897256), (11, 3542960), (16, 2435785), (20, 1948628), (22, 1771480), (40, 974314), (44, 885740), (55, 708592), (67, 581680), (80, 487157), (88, 442870), (110, 354296), (134, 290840), (176, 221435), (220, 177148), (268, 145420), (335, 116336), (440, 88574), (536, 72710), (661, 58960), (670, 58168), (737, 52880), (880, 44287), (1072, 36355), (1322, 29480), (1340, 29084), (1474, 26440), (2644, 14740), (2680, 14542), (2948, 13220), (3305, 11792), (3685, 10576), (5288, 7370), (5360, 7271), (5896, 6610)]