2037646040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1\times {\mathrm{1657}}^1$

素因数の和:2172

約数の個数: 64

約数和(自身を含む): 4662826560

約数和(自身を除く): 2625180520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 433, 568, 710, 866, 1420, 1657, 1732, 2165, 2840, 3314, 3464, 4330, 6628, 8285, 8660, 13256, 16570, 17320, 30743, 33140, 61486, 66280, 117647, 122972, 153715, 235294, 245944, 307430, 470588, 588235, 614860, 717481, 941176, 1176470, 1229720, 1434962, 2352940, 2869924, 3587405, 4705880, 5739848, 7174810, 14349620, 28699240, 50941151, 101882302, 203764604, 254705755, 407529208, 509411510, 1018823020, 2037646040]

約数ペア:

[(1, 2037646040), (2, 1018823020), (4, 509411510), (5, 407529208), (8, 254705755), (10, 203764604), (20, 101882302), (40, 50941151), (71, 28699240), (142, 14349620), (284, 7174810), (355, 5739848), (433, 4705880), (568, 3587405), (710, 2869924), (866, 2352940), (1420, 1434962), (1657, 1229720), (1732, 1176470), (2165, 941176), (2840, 717481), (3314, 614860), (3464, 588235), (4330, 470588), (6628, 307430), (8285, 245944), (8660, 235294), (13256, 153715), (16570, 122972), (17320, 117647), (30743, 66280), (33140, 61486)]