2581998200

素因数分解:

$2^3\times 5^2\times {\mathrm{661}}^1\times {\mathrm{19531}}^1$

素因数の和:20208

約数の個数: 48

約数和(自身を含む): 6012535560

約数和(自身を除く): 3430537360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 661, 1322, 2644, 3305, 5288, 6610, 13220, 16525, 19531, 26440, 33050, 39062, 66100, 78124, 97655, 132200, 156248, 195310, 390620, 488275, 781240, 976550, 1953100, 3906200, 12909991, 25819982, 51639964, 64549955, 103279928, 129099910, 258199820, 322749775, 516399640, 645499550, 1290999100, 2581998200]

約数ペア:

[(1, 2581998200), (2, 1290999100), (4, 645499550), (5, 516399640), (8, 322749775), (10, 258199820), (20, 129099910), (25, 103279928), (40, 64549955), (50, 51639964), (100, 25819982), (200, 12909991), (661, 3906200), (1322, 1953100), (2644, 976550), (3305, 781240), (5288, 488275), (6610, 390620), (13220, 195310), (16525, 156248), (19531, 132200), (26440, 97655), (33050, 78124), (39062, 66100)]