25291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2377}}^1$

素因数の和:2416

約数の個数: 80

約数和(自身を含む): 70769280

約数和(自身を除く): 45478000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2377, 2660, 4754, 5320, 9508, 10640, 11885, 16639, 19016, 23770, 33278, 38032, 45163, 47540, 66556, 83195, 90326, 95080, 133112, 166390, 180652, 190160, 225815, 266224, 316141, 332780, 361304, 451630, 632282, 665560, 722608, 903260, 1264564, 1331120, 1580705, 1806520, 2529128, 3161410, 3613040, 5058256, 6322820, 12645640, 25291280]

約数ペア:

[(1, 25291280), (2, 12645640), (4, 6322820), (5, 5058256), (7, 3613040), (8, 3161410), (10, 2529128), (14, 1806520), (16, 1580705), (19, 1331120), (20, 1264564), (28, 903260), (35, 722608), (38, 665560), (40, 632282), (56, 451630), (70, 361304), (76, 332780), (80, 316141), (95, 266224), (112, 225815), (133, 190160), (140, 180652), (152, 166390), (190, 133112), (266, 95080), (280, 90326), (304, 83195), (380, 66556), (532, 47540), (560, 45163), (665, 38032), (760, 33278), (1064, 23770), (1330, 19016), (1520, 16639), (2128, 11885), (2377, 10640), (2660, 9508), (4754, 5320)]