25418260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 63862344

約数和(自身を除く): 38444084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 701, 740, 980, 1036, 1295, 1402, 1813, 2590, 2804, 3505, 3626, 4907, 5180, 7010, 7252, 9065, 9814, 14020, 18130, 19628, 24535, 25937, 34349, 36260, 49070, 51874, 68698, 98140, 103748, 129685, 137396, 171745, 181559, 259370, 343490, 363118, 518740, 686980, 726236, 907795, 1270913, 1815590, 2541826, 3631180, 5083652, 6354565, 12709130, 25418260]

約数ペア:

[(1, 25418260), (2, 12709130), (4, 6354565), (5, 5083652), (7, 3631180), (10, 2541826), (14, 1815590), (20, 1270913), (28, 907795), (35, 726236), (37, 686980), (49, 518740), (70, 363118), (74, 343490), (98, 259370), (140, 181559), (148, 171745), (185, 137396), (196, 129685), (245, 103748), (259, 98140), (370, 68698), (490, 51874), (518, 49070), (701, 36260), (740, 34349), (980, 25937), (1036, 24535), (1295, 19628), (1402, 18130), (1813, 14020), (2590, 9814), (2804, 9065), (3505, 7252), (3626, 7010), (4907, 5180)]