13303468240

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{338683}}^1$

素因数の和:339187

約数の個数: 40

約数和(自身を含む): 30993650208

約数和(自身を除く): 17690181968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 338683, 677366, 1354732, 1693415, 2709464, 3386830, 5418928, 6773660, 13547320, 27094640, 166293353, 332586706, 665173412, 831466765, 1330346824, 1662933530, 2660693648, 3325867060, 6651734120, 13303468240]

約数ペア:

[(1, 13303468240), (2, 6651734120), (4, 3325867060), (5, 2660693648), (8, 1662933530), (10, 1330346824), (16, 831466765), (20, 665173412), (40, 332586706), (80, 166293353), (491, 27094640), (982, 13547320), (1964, 6773660), (2455, 5418928), (3928, 3386830), (4910, 2709464), (7856, 1693415), (9820, 1354732), (19640, 677366), (39280, 338683)]