25356640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{439}}^1$

素因数の和:492

約数の個数: 72

約数和(自身を含む): 63367920

約数和(自身を除く): 38011280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 439, 608, 722, 760, 878, 1444, 1520, 1756, 1805, 2195, 2888, 3040, 3512, 3610, 4390, 5776, 7024, 7220, 8341, 8780, 11552, 14048, 14440, 16682, 17560, 28880, 33364, 35120, 41705, 57760, 66728, 70240, 83410, 133456, 158479, 166820, 266912, 316958, 333640, 633916, 667280, 792395, 1267832, 1334560, 1584790, 2535664, 3169580, 5071328, 6339160, 12678320, 25356640]

約数ペア:

[(1, 25356640), (2, 12678320), (4, 6339160), (5, 5071328), (8, 3169580), (10, 2535664), (16, 1584790), (19, 1334560), (20, 1267832), (32, 792395), (38, 667280), (40, 633916), (76, 333640), (80, 316958), (95, 266912), (152, 166820), (160, 158479), (190, 133456), (304, 83410), (361, 70240), (380, 66728), (439, 57760), (608, 41705), (722, 35120), (760, 33364), (878, 28880), (1444, 17560), (1520, 16682), (1756, 14440), (1805, 14048), (2195, 11552), (2888, 8780), (3040, 8341), (3512, 7220), (3610, 7024), (4390, 5776)]