56417920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6813

約数の個数: 64

約数和(自身を含む): 145270440

約数和(自身を除く): 88852520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 6781, 8320, 13562, 27124, 33905, 54248, 67810, 88153, 108496, 135620, 176306, 216992, 271240, 352612, 433984, 440765, 542480, 705224, 867968, 881530, 1084960, 1410448, 1763060, 2169920, 2820896, 3526120, 4339840, 5641792, 7052240, 11283584, 14104480, 28208960, 56417920]

約数ペア:

[(1, 56417920), (2, 28208960), (4, 14104480), (5, 11283584), (8, 7052240), (10, 5641792), (13, 4339840), (16, 3526120), (20, 2820896), (26, 2169920), (32, 1763060), (40, 1410448), (52, 1084960), (64, 881530), (65, 867968), (80, 705224), (104, 542480), (128, 440765), (130, 433984), (160, 352612), (208, 271240), (260, 216992), (320, 176306), (416, 135620), (520, 108496), (640, 88153), (832, 67810), (1040, 54248), (1664, 33905), (2080, 27124), (4160, 13562), (6781, 8320)]