105139520

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4159}}^1$

素因数の和:4255

約数の個数: 56

約数和(自身を含む): 253593600

約数和(自身を除く): 148454080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 4159, 5056, 6320, 8318, 12640, 16636, 20795, 25280, 33272, 41590, 66544, 83180, 133088, 166360, 266176, 328561, 332720, 657122, 665440, 1314244, 1330880, 1642805, 2628488, 3285610, 5256976, 6571220, 10513952, 13142440, 21027904, 26284880, 52569760, 105139520]

約数ペア:

[(1, 105139520), (2, 52569760), (4, 26284880), (5, 21027904), (8, 13142440), (10, 10513952), (16, 6571220), (20, 5256976), (32, 3285610), (40, 2628488), (64, 1642805), (79, 1330880), (80, 1314244), (158, 665440), (160, 657122), (316, 332720), (320, 328561), (395, 266176), (632, 166360), (790, 133088), (1264, 83180), (1580, 66544), (2528, 41590), (3160, 33272), (4159, 25280), (5056, 20795), (6320, 16636), (8318, 12640)]