26643020120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1\times {\mathrm{7793}}^1$

素因数の和:8604

約数の個数: 64

約数和(自身を含む): 60516357120

約数和(自身を除く): 33873337000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 673, 1016, 1270, 1346, 2540, 2692, 3365, 5080, 5384, 6730, 7793, 13460, 15586, 26920, 31172, 38965, 62344, 77930, 85471, 155860, 170942, 311720, 341884, 427355, 683768, 854710, 989711, 1709420, 1979422, 3418840, 3958844, 4948555, 5244689, 7917688, 9897110, 10489378, 19794220, 20978756, 26223445, 39588440, 41957512, 52446890, 104893780, 209787560, 666075503, 1332151006, 2664302012, 3330377515, 5328604024, 6660755030, 13321510060, 26643020120]

約数ペア:

[(1, 26643020120), (2, 13321510060), (4, 6660755030), (5, 5328604024), (8, 3330377515), (10, 2664302012), (20, 1332151006), (40, 666075503), (127, 209787560), (254, 104893780), (508, 52446890), (635, 41957512), (673, 39588440), (1016, 26223445), (1270, 20978756), (1346, 19794220), (2540, 10489378), (2692, 9897110), (3365, 7917688), (5080, 5244689), (5384, 4948555), (6730, 3958844), (7793, 3418840), (13460, 1979422), (15586, 1709420), (26920, 989711), (31172, 854710), (38965, 683768), (62344, 427355), (77930, 341884), (85471, 311720), (155860, 170942)]