2630420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 6077568

約数和(自身を除く): 3447148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 151, 260, 268, 302, 335, 604, 670, 755, 871, 1340, 1510, 1742, 1963, 3020, 3484, 3926, 4355, 7852, 8710, 9815, 10117, 17420, 19630, 20234, 39260, 40468, 50585, 101170, 131521, 202340, 263042, 526084, 657605, 1315210, 2630420]

約数ペア:

[(1, 2630420), (2, 1315210), (4, 657605), (5, 526084), (10, 263042), (13, 202340), (20, 131521), (26, 101170), (52, 50585), (65, 40468), (67, 39260), (130, 20234), (134, 19630), (151, 17420), (260, 10117), (268, 9815), (302, 8710), (335, 7852), (604, 4355), (670, 3926), (755, 3484), (871, 3020), (1340, 1963), (1510, 1742)]