89028920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 206807040

約数和(自身を除く): 117778120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 191, 215, 271, 344, 382, 430, 542, 764, 860, 955, 1084, 1355, 1528, 1720, 1910, 2168, 2710, 3820, 5420, 7640, 8213, 10840, 11653, 16426, 23306, 32852, 41065, 46612, 51761, 58265, 65704, 82130, 93224, 103522, 116530, 164260, 207044, 233060, 258805, 328520, 414088, 466120, 517610, 1035220, 2070440, 2225723, 4451446, 8902892, 11128615, 17805784, 22257230, 44514460, 89028920]

約数ペア:

[(1, 89028920), (2, 44514460), (4, 22257230), (5, 17805784), (8, 11128615), (10, 8902892), (20, 4451446), (40, 2225723), (43, 2070440), (86, 1035220), (172, 517610), (191, 466120), (215, 414088), (271, 328520), (344, 258805), (382, 233060), (430, 207044), (542, 164260), (764, 116530), (860, 103522), (955, 93224), (1084, 82130), (1355, 65704), (1528, 58265), (1720, 51761), (1910, 46612), (2168, 41065), (2710, 32852), (3820, 23306), (5420, 16426), (7640, 11653), (8213, 10840)]