28480010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 58834944

約数和(自身を除く): 30354934

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 130, 155, 185, 191, 310, 370, 382, 403, 481, 806, 955, 962, 1147, 1910, 2015, 2294, 2405, 2483, 4030, 4810, 4966, 5735, 5921, 7067, 11470, 11842, 12415, 14134, 14911, 24830, 29605, 29822, 35335, 59210, 70670, 74555, 76973, 91871, 149110, 153946, 183742, 219077, 384865, 438154, 459355, 769730, 918710, 1095385, 2190770, 2848001, 5696002, 14240005, 28480010]

約数ペア:

[(1, 28480010), (2, 14240005), (5, 5696002), (10, 2848001), (13, 2190770), (26, 1095385), (31, 918710), (37, 769730), (62, 459355), (65, 438154), (74, 384865), (130, 219077), (155, 183742), (185, 153946), (191, 149110), (310, 91871), (370, 76973), (382, 74555), (403, 70670), (481, 59210), (806, 35335), (955, 29822), (962, 29605), (1147, 24830), (1910, 14911), (2015, 14134), (2294, 12415), (2405, 11842), (2483, 11470), (4030, 7067), (4810, 5921), (4966, 5735)]