8158280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 20487600

約数和(自身を除く): 12329320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 541, 580, 754, 1082, 1160, 1508, 1885, 2164, 2705, 3016, 3770, 4328, 5410, 7033, 7540, 10820, 14066, 15080, 15689, 21640, 28132, 31378, 35165, 56264, 62756, 70330, 78445, 125512, 140660, 156890, 203957, 281320, 313780, 407914, 627560, 815828, 1019785, 1631656, 2039570, 4079140, 8158280]

約数ペア:

[(1, 8158280), (2, 4079140), (4, 2039570), (5, 1631656), (8, 1019785), (10, 815828), (13, 627560), (20, 407914), (26, 313780), (29, 281320), (40, 203957), (52, 156890), (58, 140660), (65, 125512), (104, 78445), (116, 70330), (130, 62756), (145, 56264), (232, 35165), (260, 31378), (290, 28132), (377, 21640), (520, 15689), (541, 15080), (580, 14066), (754, 10820), (1082, 7540), (1160, 7033), (1508, 5410), (1885, 4328), (2164, 3770), (2705, 3016)]