8541520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 21998592

約数和(自身を除く): 13457072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 191, 208, 215, 260, 344, 382, 430, 520, 559, 688, 764, 860, 955, 1040, 1118, 1528, 1720, 1910, 2236, 2483, 2795, 3056, 3440, 3820, 4472, 4966, 5590, 7640, 8213, 8944, 9932, 11180, 12415, 15280, 16426, 19864, 22360, 24830, 32852, 39728, 41065, 44720, 49660, 65704, 82130, 99320, 106769, 131408, 164260, 198640, 213538, 328520, 427076, 533845, 657040, 854152, 1067690, 1708304, 2135380, 4270760, 8541520]

約数ペア:

[(1, 8541520), (2, 4270760), (4, 2135380), (5, 1708304), (8, 1067690), (10, 854152), (13, 657040), (16, 533845), (20, 427076), (26, 328520), (40, 213538), (43, 198640), (52, 164260), (65, 131408), (80, 106769), (86, 99320), (104, 82130), (130, 65704), (172, 49660), (191, 44720), (208, 41065), (215, 39728), (260, 32852), (344, 24830), (382, 22360), (430, 19864), (520, 16426), (559, 15280), (688, 12415), (764, 11180), (860, 9932), (955, 8944), (1040, 8213), (1118, 7640), (1528, 5590), (1720, 4966), (1910, 4472), (2236, 3820), (2483, 3440), (2795, 3056)]