26759980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5417}}^1$

素因数の和:5458

約数の個数: 48

約数和(自身を含む): 63715680

約数和(自身を除く): 36955700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5417, 10834, 21668, 27085, 54170, 70421, 102923, 108340, 140842, 205846, 281684, 352105, 411692, 514615, 704210, 1029230, 1337999, 1408420, 2058460, 2675998, 5351996, 6689995, 13379990, 26759980]

約数ペア:

[(1, 26759980), (2, 13379990), (4, 6689995), (5, 5351996), (10, 2675998), (13, 2058460), (19, 1408420), (20, 1337999), (26, 1029230), (38, 704210), (52, 514615), (65, 411692), (76, 352105), (95, 281684), (130, 205846), (190, 140842), (247, 108340), (260, 102923), (380, 70421), (494, 54170), (988, 27085), (1235, 21668), (2470, 10834), (4940, 5417)]