25760440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 62868960

約数和(自身を除く): 37108520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 881, 1462, 1720, 1762, 2924, 3524, 3655, 4405, 5848, 7048, 7310, 8810, 14620, 14977, 17620, 29240, 29954, 35240, 37883, 59908, 74885, 75766, 119816, 149770, 151532, 189415, 299540, 303064, 378830, 599080, 644011, 757660, 1288022, 1515320, 2576044, 3220055, 5152088, 6440110, 12880220, 25760440]

約数ペア:

[(1, 25760440), (2, 12880220), (4, 6440110), (5, 5152088), (8, 3220055), (10, 2576044), (17, 1515320), (20, 1288022), (34, 757660), (40, 644011), (43, 599080), (68, 378830), (85, 303064), (86, 299540), (136, 189415), (170, 151532), (172, 149770), (215, 119816), (340, 75766), (344, 74885), (430, 59908), (680, 37883), (731, 35240), (860, 29954), (881, 29240), (1462, 17620), (1720, 14977), (1762, 14620), (2924, 8810), (3524, 7310), (3655, 7048), (4405, 5848)]