28579320400

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{655489}}^1$

素因数の和:655616

約数の個数: 60

約数和(自身を含む): 69291847900

約数和(自身を除く): 40712527500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 545, 872, 1090, 1744, 2180, 2725, 4360, 5450, 8720, 10900, 21800, 43600, 655489, 1310978, 2621956, 3277445, 5243912, 6554890, 10487824, 13109780, 16387225, 26219560, 32774450, 52439120, 65548900, 71448301, 131097800, 142896602, 262195600, 285793204, 357241505, 571586408, 714483010, 1143172816, 1428966020, 1786207525, 2857932040, 3572415050, 5715864080, 7144830100, 14289660200, 28579320400]

約数ペア:

[(1, 28579320400), (2, 14289660200), (4, 7144830100), (5, 5715864080), (8, 3572415050), (10, 2857932040), (16, 1786207525), (20, 1428966020), (25, 1143172816), (40, 714483010), (50, 571586408), (80, 357241505), (100, 285793204), (109, 262195600), (200, 142896602), (218, 131097800), (400, 71448301), (436, 65548900), (545, 52439120), (872, 32774450), (1090, 26219560), (1744, 16387225), (2180, 13109780), (2725, 10487824), (4360, 6554890), (5450, 5243912), (8720, 3277445), (10900, 2621956), (21800, 1310978), (43600, 655489)]