27933440

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 67819920

約数和(自身を除く): 39886480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 157, 160, 256, 278, 314, 320, 556, 628, 640, 695, 785, 1112, 1256, 1280, 1390, 1570, 2224, 2512, 2780, 3140, 4448, 5024, 5560, 6280, 8896, 10048, 11120, 12560, 17792, 20096, 21823, 22240, 25120, 35584, 40192, 43646, 44480, 50240, 87292, 88960, 100480, 109115, 174584, 177920, 200960, 218230, 349168, 436460, 698336, 872920, 1396672, 1745840, 2793344, 3491680, 5586688, 6983360, 13966720, 27933440]

約数ペア:

[(1, 27933440), (2, 13966720), (4, 6983360), (5, 5586688), (8, 3491680), (10, 2793344), (16, 1745840), (20, 1396672), (32, 872920), (40, 698336), (64, 436460), (80, 349168), (128, 218230), (139, 200960), (157, 177920), (160, 174584), (256, 109115), (278, 100480), (314, 88960), (320, 87292), (556, 50240), (628, 44480), (640, 43646), (695, 40192), (785, 35584), (1112, 25120), (1256, 22240), (1280, 21823), (1390, 20096), (1570, 17792), (2224, 12560), (2512, 11120), (2780, 10048), (3140, 8896), (4448, 6280), (5024, 5560)]