51740780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28429}}^1$

素因数の和:28458

約数の個数: 48

約数和(自身を含む): 133734720

約数和(自身を除く): 81993940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28429, 56858, 113716, 142145, 199003, 284290, 369577, 398006, 568580, 739154, 796012, 995015, 1478308, 1847885, 1990030, 2587039, 3695770, 3980060, 5174078, 7391540, 10348156, 12935195, 25870390, 51740780]

約数ペア:

[(1, 51740780), (2, 25870390), (4, 12935195), (5, 10348156), (7, 7391540), (10, 5174078), (13, 3980060), (14, 3695770), (20, 2587039), (26, 1990030), (28, 1847885), (35, 1478308), (52, 995015), (65, 796012), (70, 739154), (91, 568580), (130, 398006), (140, 369577), (182, 284290), (260, 199003), (364, 142145), (455, 113716), (910, 56858), (1820, 28429)]