42669640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2702

約数の個数: 64

約数和(自身を含む): 106767360

約数和(自身を除く): 64097720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 2647, 3224, 4030, 5294, 8060, 10588, 13235, 16120, 21176, 26470, 34411, 52940, 68822, 82057, 105880, 137644, 164114, 172055, 275288, 328228, 344110, 410285, 656456, 688220, 820570, 1066741, 1376440, 1641140, 2133482, 3282280, 4266964, 5333705, 8533928, 10667410, 21334820, 42669640]

約数ペア:

[(1, 42669640), (2, 21334820), (4, 10667410), (5, 8533928), (8, 5333705), (10, 4266964), (13, 3282280), (20, 2133482), (26, 1641140), (31, 1376440), (40, 1066741), (52, 820570), (62, 688220), (65, 656456), (104, 410285), (124, 344110), (130, 328228), (155, 275288), (248, 172055), (260, 164114), (310, 137644), (403, 105880), (520, 82057), (620, 68822), (806, 52940), (1240, 34411), (1612, 26470), (2015, 21176), (2647, 16120), (3224, 13235), (4030, 10588), (5294, 8060)]