201257240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63689}}^1$

素因数の和:63779

約数の個数: 32

約数和(自身を含む): 458568000

約数和(自身を除く): 257310760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63689, 127378, 254756, 318445, 509512, 636890, 1273780, 2547560, 5031431, 10062862, 20125724, 25157155, 40251448, 50314310, 100628620, 201257240]

約数ペア:

[(1, 201257240), (2, 100628620), (4, 50314310), (5, 40251448), (8, 25157155), (10, 20125724), (20, 10062862), (40, 5031431), (79, 2547560), (158, 1273780), (316, 636890), (395, 509512), (632, 318445), (790, 254756), (1580, 127378), (3160, 63689)]