4077405880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{625369}}^1$

素因数の和:625543

約数の個数: 32

約数和(自身を含む): 9230461200

約数和(自身を除く): 5153055320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 625369, 1250738, 2501476, 3126845, 5002952, 6253690, 12507380, 25014760, 101935147, 203870294, 407740588, 509675735, 815481176, 1019351470, 2038702940, 4077405880]

約数ペア:

[(1, 4077405880), (2, 2038702940), (4, 1019351470), (5, 815481176), (8, 509675735), (10, 407740588), (20, 203870294), (40, 101935147), (163, 25014760), (326, 12507380), (652, 6253690), (815, 5002952), (1304, 3126845), (1630, 2501476), (3260, 1250738), (6520, 625369)]