1026348880

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1\times {\mathrm{457}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 2432969280

約数和(自身を除く): 1406620400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 419, 457, 536, 670, 838, 914, 1072, 1340, 1676, 1828, 2095, 2285, 2680, 3352, 3656, 4190, 4570, 5360, 6704, 7312, 8380, 9140, 16760, 18280, 28073, 30619, 33520, 36560, 56146, 61238, 112292, 122476, 140365, 153095, 191483, 224584, 244952, 280730, 306190, 382966, 449168, 489904, 561460, 612380, 765932, 957415, 1122920, 1224760, 1531864, 1914830, 2245840, 2449520, 3063728, 3829660, 7659320, 12829361, 15318640, 25658722, 51317444, 64146805, 102634888, 128293610, 205269776, 256587220, 513174440, 1026348880]

約数ペア:

[(1, 1026348880), (2, 513174440), (4, 256587220), (5, 205269776), (8, 128293610), (10, 102634888), (16, 64146805), (20, 51317444), (40, 25658722), (67, 15318640), (80, 12829361), (134, 7659320), (268, 3829660), (335, 3063728), (419, 2449520), (457, 2245840), (536, 1914830), (670, 1531864), (838, 1224760), (914, 1122920), (1072, 957415), (1340, 765932), (1676, 612380), (1828, 561460), (2095, 489904), (2285, 449168), (2680, 382966), (3352, 306190), (3656, 280730), (4190, 244952), (4570, 224584), (5360, 191483), (6704, 153095), (7312, 140365), (8380, 122476), (9140, 112292), (16760, 61238), (18280, 56146), (28073, 36560), (30619, 33520)]