25980790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 55572480

約数和(自身を除く): 29591690

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 401, 418, 589, 682, 802, 1045, 1178, 1705, 2005, 2090, 2945, 3410, 4010, 4411, 5890, 6479, 7619, 8822, 12431, 12958, 15238, 22055, 24862, 32395, 38095, 44110, 62155, 64790, 76190, 83809, 124310, 136741, 167618, 236189, 273482, 419045, 472378, 683705, 838090, 1180945, 1367410, 2361890, 2598079, 5196158, 12990395, 25980790]

約数ペア:

[(1, 25980790), (2, 12990395), (5, 5196158), (10, 2598079), (11, 2361890), (19, 1367410), (22, 1180945), (31, 838090), (38, 683705), (55, 472378), (62, 419045), (95, 273482), (110, 236189), (155, 167618), (190, 136741), (209, 124310), (310, 83809), (341, 76190), (401, 64790), (418, 62155), (589, 44110), (682, 38095), (802, 32395), (1045, 24862), (1178, 22055), (1705, 15238), (2005, 12958), (2090, 12431), (2945, 8822), (3410, 7619), (4010, 6479), (4411, 5890)]