47978920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 124104960

約数和(自身を除く): 76126040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 184, 220, 230, 242, 253, 431, 440, 460, 484, 506, 605, 862, 920, 968, 1012, 1210, 1265, 1724, 2024, 2155, 2420, 2530, 2783, 3448, 4310, 4741, 4840, 5060, 5566, 8620, 9482, 9913, 10120, 11132, 13915, 17240, 18964, 19826, 22264, 23705, 27830, 37928, 39652, 47410, 49565, 52151, 55660, 79304, 94820, 99130, 104302, 109043, 111320, 189640, 198260, 208604, 218086, 260755, 396520, 417208, 436172, 521510, 545215, 872344, 1043020, 1090430, 1199473, 2086040, 2180860, 2398946, 4361720, 4797892, 5997365, 9595784, 11994730, 23989460, 47978920]

約数ペア:

[(1, 47978920), (2, 23989460), (4, 11994730), (5, 9595784), (8, 5997365), (10, 4797892), (11, 4361720), (20, 2398946), (22, 2180860), (23, 2086040), (40, 1199473), (44, 1090430), (46, 1043020), (55, 872344), (88, 545215), (92, 521510), (110, 436172), (115, 417208), (121, 396520), (184, 260755), (220, 218086), (230, 208604), (242, 198260), (253, 189640), (431, 111320), (440, 109043), (460, 104302), (484, 99130), (506, 94820), (605, 79304), (862, 55660), (920, 52151), (968, 49565), (1012, 47410), (1210, 39652), (1265, 37928), (1724, 27830), (2024, 23705), (2155, 22264), (2420, 19826), (2530, 18964), (2783, 17240), (3448, 13915), (4310, 11132), (4741, 10120), (4840, 9913), (5060, 9482), (5566, 8620)]