90844432880

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1\times {\mathrm{20543}}^1$

素因数の和:21054

約数の個数: 80

約数和(自身を含む): 213130358784

約数和(自身を除く): 122285925904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 331, 334, 662, 668, 835, 1324, 1336, 1655, 1670, 2648, 2672, 3310, 3340, 5296, 6620, 6680, 13240, 13360, 20543, 26480, 41086, 55277, 82172, 102715, 110554, 164344, 205430, 221108, 276385, 328688, 410860, 442216, 552770, 821720, 884432, 1105540, 1643440, 2211080, 3430681, 4422160, 6799733, 6861362, 13599466, 13722724, 17153405, 27198932, 27445448, 33998665, 34306810, 54397864, 54890896, 67997330, 68613620, 108795728, 135994660, 137227240, 271989320, 274454480, 543978640, 1135555411, 2271110822, 4542221644, 5677777055, 9084443288, 11355554110, 18168886576, 22711108220, 45422216440, 90844432880]

約数ペア:

[(1, 90844432880), (2, 45422216440), (4, 22711108220), (5, 18168886576), (8, 11355554110), (10, 9084443288), (16, 5677777055), (20, 4542221644), (40, 2271110822), (80, 1135555411), (167, 543978640), (331, 274454480), (334, 271989320), (662, 137227240), (668, 135994660), (835, 108795728), (1324, 68613620), (1336, 67997330), (1655, 54890896), (1670, 54397864), (2648, 34306810), (2672, 33998665), (3310, 27445448), (3340, 27198932), (5296, 17153405), (6620, 13722724), (6680, 13599466), (13240, 6861362), (13360, 6799733), (20543, 4422160), (26480, 3430681), (41086, 2211080), (55277, 1643440), (82172, 1105540), (102715, 884432), (110554, 821720), (164344, 552770), (205430, 442216), (221108, 410860), (276385, 328688)]