90258220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8467}}^1$

素因数の和:8530

約数の個数: 48

約数和(自身を含む): 209125728

約数和(自身を除く): 118867508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 8467, 10660, 16934, 33868, 42335, 84670, 110071, 169340, 220142, 347147, 440284, 550355, 694294, 1100710, 1388588, 1735735, 2201420, 3471470, 4512911, 6942940, 9025822, 18051644, 22564555, 45129110, 90258220]

約数ペア:

[(1, 90258220), (2, 45129110), (4, 22564555), (5, 18051644), (10, 9025822), (13, 6942940), (20, 4512911), (26, 3471470), (41, 2201420), (52, 1735735), (65, 1388588), (82, 1100710), (130, 694294), (164, 550355), (205, 440284), (260, 347147), (410, 220142), (533, 169340), (820, 110071), (1066, 84670), (2132, 42335), (2665, 33868), (5330, 16934), (8467, 10660)]