28930040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5521}}^1$

素因数の和:5663

約数の個数: 32

約数和(自身を含む): 65601360

約数和(自身を除く): 36671320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 5521, 11042, 22084, 27605, 44168, 55210, 110420, 220840, 723251, 1446502, 2893004, 3616255, 5786008, 7232510, 14465020, 28930040]

約数ペア:

[(1, 28930040), (2, 14465020), (4, 7232510), (5, 5786008), (8, 3616255), (10, 2893004), (20, 1446502), (40, 723251), (131, 220840), (262, 110420), (524, 55210), (655, 44168), (1048, 27605), (1310, 22084), (2620, 11042), (5240, 5521)]