16648780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 38646720

約数和(自身を除く): 21997940

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 2129, 3910, 4258, 7820, 8516, 10645, 21290, 36193, 42580, 48967, 72386, 97934, 144772, 180965, 195868, 244835, 361930, 489670, 723860, 832439, 979340, 1664878, 3329756, 4162195, 8324390, 16648780]

約数ペア:

[(1, 16648780), (2, 8324390), (4, 4162195), (5, 3329756), (10, 1664878), (17, 979340), (20, 832439), (23, 723860), (34, 489670), (46, 361930), (68, 244835), (85, 195868), (92, 180965), (115, 144772), (170, 97934), (230, 72386), (340, 48967), (391, 42580), (460, 36193), (782, 21290), (1564, 10645), (1955, 8516), (2129, 7820), (3910, 4258)]