4080647980

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{247913}}^1$

素因数の和:248745

約数の個数: 24

約数和(自身を含む): 8579807712

約数和(自身を除く): 4499159732

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 8230, 16460, 247913, 495826, 991652, 1239565, 2479130, 4958260, 204032399, 408064798, 816129596, 1020161995, 2040323990, 4080647980]

約数ペア:

[(1, 4080647980), (2, 2040323990), (4, 1020161995), (5, 816129596), (10, 408064798), (20, 204032399), (823, 4958260), (1646, 2479130), (3292, 1239565), (4115, 991652), (8230, 495826), (16460, 247913)]