53397760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3243

約数の個数: 72

約数和(自身を含む): 137786040

約数和(自身を除く): 84388280

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, 3209, 3328, 4160, 6418, 8320, 12836, 16045, 16640, 25672, 32090, 41717, 51344, 64180, 83434, 102688, 128360, 166868, 205376, 208585, 256720, 333736, 410752, 417170, 513440, 667472, 821504, 834340, 1026880, 1334944, 1668680, 2053760, 2669888, 3337360, 4107520, 5339776, 6674720, 10679552, 13349440, 26698880, 53397760]

約数ペア:

[(1, 53397760), (2, 26698880), (4, 13349440), (5, 10679552), (8, 6674720), (10, 5339776), (13, 4107520), (16, 3337360), (20, 2669888), (26, 2053760), (32, 1668680), (40, 1334944), (52, 1026880), (64, 834340), (65, 821504), (80, 667472), (104, 513440), (128, 417170), (130, 410752), (160, 333736), (208, 256720), (256, 208585), (260, 205376), (320, 166868), (416, 128360), (520, 102688), (640, 83434), (832, 64180), (1040, 51344), (1280, 41717), (1664, 32090), (2080, 25672), (3209, 16640), (3328, 16045), (4160, 12836), (6418, 8320)]