4087665920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245653}}^1$

素因数の和:245687

約数の個数: 72

約数和(自身を含む): 10544452296

約数和(自身を除く): 6456786376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 245653, 491306, 982612, 1228265, 1965224, 2456530, 3193489, 3930448, 4913060, 6386978, 7860896, 9826120, 12773956, 15721792, 15967445, 19652240, 25547912, 31443584, 31934890, 39304480, 51095824, 62887168, 63869780, 78608960, 102191648, 127739560, 157217920, 204383296, 255479120, 314435840, 408766592, 510958240, 817533184, 1021916480, 2043832960, 4087665920]

約数ペア:

[(1, 4087665920), (2, 2043832960), (4, 1021916480), (5, 817533184), (8, 510958240), (10, 408766592), (13, 314435840), (16, 255479120), (20, 204383296), (26, 157217920), (32, 127739560), (40, 102191648), (52, 78608960), (64, 63869780), (65, 62887168), (80, 51095824), (104, 39304480), (128, 31934890), (130, 31443584), (160, 25547912), (208, 19652240), (256, 15967445), (260, 15721792), (320, 12773956), (416, 9826120), (520, 7860896), (640, 6386978), (832, 4913060), (1040, 3930448), (1280, 3193489), (1664, 2456530), (2080, 1965224), (3328, 1228265), (4160, 982612), (8320, 491306), (16640, 245653)]