156960520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{206527}}^1$

素因数の和:206557

約数の個数: 32

約数和(自身を含む): 371750400

約数和(自身を除く): 214789880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 206527, 413054, 826108, 1032635, 1652216, 2065270, 3924013, 4130540, 7848026, 8261080, 15696052, 19620065, 31392104, 39240130, 78480260, 156960520]

約数ペア:

[(1, 156960520), (2, 78480260), (4, 39240130), (5, 31392104), (8, 19620065), (10, 15696052), (19, 8261080), (20, 7848026), (38, 4130540), (40, 3924013), (76, 2065270), (95, 1652216), (152, 1032635), (190, 826108), (380, 413054), (760, 206527)]