31659520

素因数分解:

$2^9\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 80

約数和(自身を含む): 77338800

約数和(自身を除く): 45679280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 149, 160, 166, 256, 298, 320, 332, 415, 512, 596, 640, 664, 745, 830, 1192, 1280, 1328, 1490, 1660, 2384, 2560, 2656, 2980, 3320, 4768, 5312, 5960, 6640, 9536, 10624, 11920, 12367, 13280, 19072, 21248, 23840, 24734, 26560, 38144, 42496, 47680, 49468, 53120, 61835, 76288, 95360, 98936, 106240, 123670, 190720, 197872, 212480, 247340, 381440, 395744, 494680, 791488, 989360, 1582976, 1978720, 3165952, 3957440, 6331904, 7914880, 15829760, 31659520]

約数ペア:

[(1, 31659520), (2, 15829760), (4, 7914880), (5, 6331904), (8, 3957440), (10, 3165952), (16, 1978720), (20, 1582976), (32, 989360), (40, 791488), (64, 494680), (80, 395744), (83, 381440), (128, 247340), (149, 212480), (160, 197872), (166, 190720), (256, 123670), (298, 106240), (320, 98936), (332, 95360), (415, 76288), (512, 61835), (596, 53120), (640, 49468), (664, 47680), (745, 42496), (830, 38144), (1192, 26560), (1280, 24734), (1328, 23840), (1490, 21248), (1660, 19072), (2384, 13280), (2560, 12367), (2656, 11920), (2980, 10624), (3320, 9536), (4768, 6640), (5312, 5960)]