1856550020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{52121}}^1$

素因数の和:52280

約数の個数: 48

約数和(自身を含む): 4229387568

約数和(自身を除く): 2372837548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 17810, 35620, 52121, 104242, 208484, 260605, 521210, 677573, 1042420, 1355146, 2710292, 3387865, 6775730, 7140577, 13551460, 14281154, 28562308, 35702885, 71405770, 92827501, 142811540, 185655002, 371310004, 464137505, 928275010, 1856550020]

約数ペア:

[(1, 1856550020), (2, 928275010), (4, 464137505), (5, 371310004), (10, 185655002), (13, 142811540), (20, 92827501), (26, 71405770), (52, 35702885), (65, 28562308), (130, 14281154), (137, 13551460), (260, 7140577), (274, 6775730), (548, 3387865), (685, 2710292), (1370, 1355146), (1781, 1042420), (2740, 677573), (3562, 521210), (7124, 260605), (8905, 208484), (17810, 104242), (35620, 52121)]