40787528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 84369600

約数和(自身を除く): 43582072

約数列:

[1, 2, 4, 8, 19, 38, 53, 61, 76, 83, 106, 122, 152, 166, 212, 244, 332, 424, 488, 664, 1007, 1159, 1577, 2014, 2318, 3154, 3233, 4028, 4399, 4636, 5063, 6308, 6466, 8056, 8798, 9272, 10126, 12616, 12932, 17596, 20252, 25864, 35192, 40504, 61427, 83581, 96197, 122854, 167162, 192394, 245708, 268339, 334324, 384788, 491416, 536678, 668648, 769576, 1073356, 2146712, 5098441, 10196882, 20393764, 40787528]

約数ペア:

[(1, 40787528), (2, 20393764), (4, 10196882), (8, 5098441), (19, 2146712), (38, 1073356), (53, 769576), (61, 668648), (76, 536678), (83, 491416), (106, 384788), (122, 334324), (152, 268339), (166, 245708), (212, 192394), (244, 167162), (332, 122854), (424, 96197), (488, 83581), (664, 61427), (1007, 40504), (1159, 35192), (1577, 25864), (2014, 20252), (2318, 17596), (3154, 12932), (3233, 12616), (4028, 10126), (4399, 9272), (4636, 8798), (5063, 8056), (6308, 6466)]