39872456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2539}}^1$

素因数の和:2709

約数の個数: 32

約数和(自身を含む): 81076800

約数和(自身を除く): 41204344

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1963, 2539, 3926, 5078, 7852, 10156, 15704, 20312, 33007, 66014, 132028, 264056, 383389, 766778, 1533556, 3067112, 4984057, 9968114, 19936228, 39872456]

約数ペア:

[(1, 39872456), (2, 19936228), (4, 9968114), (8, 4984057), (13, 3067112), (26, 1533556), (52, 766778), (104, 383389), (151, 264056), (302, 132028), (604, 66014), (1208, 33007), (1963, 20312), (2539, 15704), (3926, 10156), (5078, 7852)]