2005133780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{26321}}^1$

素因数の和:26636

約数の個数: 48

約数和(自身を含む): 4550336784

約数和(自身を除く): 2545203004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 586, 1172, 1465, 2930, 3809, 5860, 7618, 15236, 19045, 26321, 38090, 52642, 76180, 105284, 131605, 263210, 342173, 526420, 684346, 1368692, 1710865, 3421730, 6843460, 7712053, 15424106, 30848212, 38560265, 77120530, 100256689, 154241060, 200513378, 401026756, 501283445, 1002566890, 2005133780]

約数ペア:

[(1, 2005133780), (2, 1002566890), (4, 501283445), (5, 401026756), (10, 200513378), (13, 154241060), (20, 100256689), (26, 77120530), (52, 38560265), (65, 30848212), (130, 15424106), (260, 7712053), (293, 6843460), (586, 3421730), (1172, 1710865), (1465, 1368692), (2930, 684346), (3809, 526420), (5860, 342173), (7618, 263210), (15236, 131605), (19045, 105284), (26321, 76180), (38090, 52642)]