162781060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21589}}^1$

素因数の和:21640

約数の個数: 48

約数和(自身を含む): 380847600

約数和(自身を除く): 218066540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 21589, 43178, 86356, 107945, 215890, 280657, 431780, 561314, 626081, 1122628, 1252162, 1403285, 2504324, 2806570, 3130405, 5613140, 6260810, 8139053, 12521620, 16278106, 32556212, 40695265, 81390530, 162781060]

約数ペア:

[(1, 162781060), (2, 81390530), (4, 40695265), (5, 32556212), (10, 16278106), (13, 12521620), (20, 8139053), (26, 6260810), (29, 5613140), (52, 3130405), (58, 2806570), (65, 2504324), (116, 1403285), (130, 1252162), (145, 1122628), (260, 626081), (290, 561314), (377, 431780), (580, 280657), (754, 215890), (1508, 107945), (1885, 86356), (3770, 43178), (7540, 21589)]