40009528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1237}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 81113760

約数和(自身を除く): 41104232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 311, 622, 1237, 1244, 2474, 2488, 4043, 4948, 8086, 9896, 16081, 16172, 32162, 32344, 64324, 128648, 384707, 769414, 1538828, 3077656, 5001191, 10002382, 20004764, 40009528]

約数ペア:

[(1, 40009528), (2, 20004764), (4, 10002382), (8, 5001191), (13, 3077656), (26, 1538828), (52, 769414), (104, 384707), (311, 128648), (622, 64324), (1237, 32344), (1244, 32162), (2474, 16172), (2488, 16081), (4043, 9896), (4948, 8086)]