43915820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2521}}^1$

素因数の和:2610

約数の個数: 48

約数和(自身を含む): 100839648

約数和(自身を除く): 56923828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 2521, 3484, 4355, 5042, 8710, 10084, 12605, 17420, 25210, 32773, 50420, 65546, 131092, 163865, 168907, 327730, 337814, 655460, 675628, 844535, 1689070, 2195791, 3378140, 4391582, 8783164, 10978955, 21957910, 43915820]

約数ペア:

[(1, 43915820), (2, 21957910), (4, 10978955), (5, 8783164), (10, 4391582), (13, 3378140), (20, 2195791), (26, 1689070), (52, 844535), (65, 675628), (67, 655460), (130, 337814), (134, 327730), (260, 168907), (268, 163865), (335, 131092), (670, 65546), (871, 50420), (1340, 32773), (1742, 25210), (2521, 17420), (3484, 12605), (4355, 10084), (5042, 8710)]