220528960

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2543}}^1$

素因数の和:2831

約数の個数: 56

約数和(自身を含む): 527279616

約数和(自身を除く): 306750656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 1084, 1355, 2168, 2543, 2710, 4336, 5086, 5420, 8672, 10172, 10840, 12715, 17344, 20344, 21680, 25430, 40688, 43360, 50860, 81376, 86720, 101720, 162752, 203440, 406880, 689153, 813760, 1378306, 2756612, 3445765, 5513224, 6891530, 11026448, 13783060, 22052896, 27566120, 44105792, 55132240, 110264480, 220528960]

約数ペア:

[(1, 220528960), (2, 110264480), (4, 55132240), (5, 44105792), (8, 27566120), (10, 22052896), (16, 13783060), (20, 11026448), (32, 6891530), (40, 5513224), (64, 3445765), (80, 2756612), (160, 1378306), (271, 813760), (320, 689153), (542, 406880), (1084, 203440), (1355, 162752), (2168, 101720), (2543, 86720), (2710, 81376), (4336, 50860), (5086, 43360), (5420, 40688), (8672, 25430), (10172, 21680), (10840, 20344), (12715, 17344)]