260609120

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39727}}^1$

素因数の和:39783

約数の個数: 48

約数和(自身を含む): 630721728

約数和(自身を除く): 370112608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 39727, 79454, 158908, 198635, 317816, 397270, 635632, 794540, 1271264, 1589080, 1628807, 3178160, 3257614, 6356320, 6515228, 8144035, 13030456, 16288070, 26060912, 32576140, 52121824, 65152280, 130304560, 260609120]

約数ペア:

[(1, 260609120), (2, 130304560), (4, 65152280), (5, 52121824), (8, 32576140), (10, 26060912), (16, 16288070), (20, 13030456), (32, 8144035), (40, 6515228), (41, 6356320), (80, 3257614), (82, 3178160), (160, 1628807), (164, 1589080), (205, 1271264), (328, 794540), (410, 635632), (656, 397270), (820, 317816), (1312, 198635), (1640, 158908), (3280, 79454), (6560, 39727)]