20171837440

素因数分解:

$2^{12}\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4339}}^1$

素因数の和:4595

約数の個数: 104

約数和(自身を含む): 48630949920

約数和(自身を除く): 28459112480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 256, 320, 454, 512, 640, 908, 1024, 1135, 1280, 1816, 2048, 2270, 2560, 3632, 4096, 4339, 4540, 5120, 7264, 8678, 9080, 10240, 14528, 17356, 18160, 20480, 21695, 29056, 34712, 36320, 43390, 58112, 69424, 72640, 86780, 116224, 138848, 145280, 173560, 232448, 277696, 290560, 347120, 464896, 555392, 581120, 694240, 929792, 984953, 1110784, 1162240, 1388480, 1969906, 2221568, 2324480, 2776960, 3939812, 4443136, 4648960, 4924765, 5553920, 7879624, 8886272, 9849530, 11107840, 15759248, 17772544, 19699060, 22215680, 31518496, 39398120, 44431360, 63036992, 78796240, 88862720, 126073984, 157592480, 252147968, 315184960, 504295936, 630369920, 1008591872, 1260739840, 2017183744, 2521479680, 4034367488, 5042959360, 10085918720, 20171837440]

約数ペア:

[(1, 20171837440), (2, 10085918720), (4, 5042959360), (5, 4034367488), (8, 2521479680), (10, 2017183744), (16, 1260739840), (20, 1008591872), (32, 630369920), (40, 504295936), (64, 315184960), (80, 252147968), (128, 157592480), (160, 126073984), (227, 88862720), (256, 78796240), (320, 63036992), (454, 44431360), (512, 39398120), (640, 31518496), (908, 22215680), (1024, 19699060), (1135, 17772544), (1280, 15759248), (1816, 11107840), (2048, 9849530), (2270, 8886272), (2560, 7879624), (3632, 5553920), (4096, 4924765), (4339, 4648960), (4540, 4443136), (5120, 3939812), (7264, 2776960), (8678, 2324480), (9080, 2221568), (10240, 1969906), (14528, 1388480), (17356, 1162240), (18160, 1110784), (20480, 984953), (21695, 929792), (29056, 694240), (34712, 581120), (36320, 555392), (43390, 464896), (58112, 347120), (69424, 290560), (72640, 277696), (86780, 232448), (116224, 173560), (138848, 145280)]