39156520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 95573520

約数和(自身を除く): 56417000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 293, 514, 520, 586, 1028, 1172, 1285, 1465, 2056, 2344, 2570, 2930, 3341, 3809, 5140, 5860, 6682, 7618, 10280, 11720, 13364, 15236, 16705, 19045, 26728, 30472, 33410, 38090, 66820, 75301, 76180, 133640, 150602, 152360, 301204, 376505, 602408, 753010, 978913, 1506020, 1957826, 3012040, 3915652, 4894565, 7831304, 9789130, 19578260, 39156520]

約数ペア:

[(1, 39156520), (2, 19578260), (4, 9789130), (5, 7831304), (8, 4894565), (10, 3915652), (13, 3012040), (20, 1957826), (26, 1506020), (40, 978913), (52, 753010), (65, 602408), (104, 376505), (130, 301204), (257, 152360), (260, 150602), (293, 133640), (514, 76180), (520, 75301), (586, 66820), (1028, 38090), (1172, 33410), (1285, 30472), (1465, 26728), (2056, 19045), (2344, 16705), (2570, 15236), (2930, 13364), (3341, 11720), (3809, 10280), (5140, 7618), (5860, 6682)]