138657740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41023}}^1$

素因数の和:41058

約数の個数: 36

約数和(自身を含む): 315310464

約数和(自身を除く): 176652724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 41023, 82046, 164092, 205115, 410230, 533299, 820460, 1066598, 2133196, 2666495, 5332990, 6932887, 10665980, 13865774, 27731548, 34664435, 69328870, 138657740]

約数ペア:

[(1, 138657740), (2, 69328870), (4, 34664435), (5, 27731548), (10, 13865774), (13, 10665980), (20, 6932887), (26, 5332990), (52, 2666495), (65, 2133196), (130, 1066598), (169, 820460), (260, 533299), (338, 410230), (676, 205115), (845, 164092), (1690, 82046), (3380, 41023)]