39840580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4943}}^1$

素因数の和:4996

約数の個数: 48

約数和(自身を含む): 93026304

約数和(自身を除く): 53185724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 4943, 8060, 9886, 19772, 24715, 49430, 64259, 98860, 128518, 153233, 257036, 306466, 321295, 612932, 642590, 766165, 1285180, 1532330, 1992029, 3064660, 3984058, 7968116, 9960145, 19920290, 39840580]

約数ペア:

[(1, 39840580), (2, 19920290), (4, 9960145), (5, 7968116), (10, 3984058), (13, 3064660), (20, 1992029), (26, 1532330), (31, 1285180), (52, 766165), (62, 642590), (65, 612932), (124, 321295), (130, 306466), (155, 257036), (260, 153233), (310, 128518), (403, 98860), (620, 64259), (806, 49430), (1612, 24715), (2015, 19772), (4030, 9886), (4943, 8060)]