28494920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13441}}^1$

素因数の和:13505

約数の個数: 32

約数和(自身を含む): 65328120

約数和(自身を除く): 36833200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13441, 26882, 53764, 67205, 107528, 134410, 268820, 537640, 712373, 1424746, 2849492, 3561865, 5698984, 7123730, 14247460, 28494920]

約数ペア:

[(1, 28494920), (2, 14247460), (4, 7123730), (5, 5698984), (8, 3561865), (10, 2849492), (20, 1424746), (40, 712373), (53, 537640), (106, 268820), (212, 134410), (265, 107528), (424, 67205), (530, 53764), (1060, 26882), (2120, 13441)]