81152805880

素因数分解:

$2^3\times 5^1\times {\mathrm{6451}}^1\times {\mathrm{314497}}^1$

素因数の和:320959

約数の個数: 32

約数和(自身を含む): 182622698640

約数和(自身を除く): 101469892760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6451, 12902, 25804, 32255, 51608, 64510, 129020, 258040, 314497, 628994, 1257988, 1572485, 2515976, 3144970, 6289940, 12579880, 2028820147, 4057640294, 8115280588, 10144100735, 16230561176, 20288201470, 40576402940, 81152805880]

約数ペア:

[(1, 81152805880), (2, 40576402940), (4, 20288201470), (5, 16230561176), (8, 10144100735), (10, 8115280588), (20, 4057640294), (40, 2028820147), (6451, 12579880), (12902, 6289940), (25804, 3144970), (32255, 2515976), (51608, 1572485), (64510, 1257988), (129020, 628994), (258040, 314497)]