17864863640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1\times {\mathrm{26407}}^1$

素因数の和:27732

約数の個数: 64

約数和(自身を含む): 43322852160

約数和(自身を除く): 25457988520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1301, 2602, 5204, 6505, 10408, 13010, 16913, 26020, 26407, 33826, 52040, 52814, 67652, 84565, 105628, 132035, 135304, 169130, 211256, 264070, 338260, 343291, 528140, 676520, 686582, 1056280, 1373164, 1716455, 2746328, 3432910, 6865820, 13731640, 34355507, 68711014, 137422028, 171777535, 274844056, 343555070, 446621591, 687110140, 893243182, 1374220280, 1786486364, 2233107955, 3572972728, 4466215910, 8932431820, 17864863640]

約数ペア:

[(1, 17864863640), (2, 8932431820), (4, 4466215910), (5, 3572972728), (8, 2233107955), (10, 1786486364), (13, 1374220280), (20, 893243182), (26, 687110140), (40, 446621591), (52, 343555070), (65, 274844056), (104, 171777535), (130, 137422028), (260, 68711014), (520, 34355507), (1301, 13731640), (2602, 6865820), (5204, 3432910), (6505, 2746328), (10408, 1716455), (13010, 1373164), (16913, 1056280), (26020, 686582), (26407, 676520), (33826, 528140), (52040, 343291), (52814, 338260), (67652, 264070), (84565, 211256), (105628, 169130), (132035, 135304)]