28020070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3217}}^1$

素因数の和:3304

約数の個数: 32

約数和(自身を含む): 55143648

約数和(自身を除く): 27123578

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 3217, 4355, 6434, 8710, 16085, 32170, 41821, 83642, 209105, 215539, 418210, 431078, 1077695, 2155390, 2802007, 5604014, 14010035, 28020070]

約数ペア:

[(1, 28020070), (2, 14010035), (5, 5604014), (10, 2802007), (13, 2155390), (26, 1077695), (65, 431078), (67, 418210), (130, 215539), (134, 209105), (335, 83642), (670, 41821), (871, 32170), (1742, 16085), (3217, 8710), (4355, 6434)]