89849120

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1373}}^1$

素因数の和:1797

約数の個数: 48

約数和(自身を含む): 212942520

約数和(自身を除く): 123093400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1373, 1636, 2045, 2746, 3272, 4090, 5492, 6544, 6865, 8180, 10984, 13088, 13730, 16360, 21968, 27460, 32720, 43936, 54920, 65440, 109840, 219680, 561557, 1123114, 2246228, 2807785, 4492456, 5615570, 8984912, 11231140, 17969824, 22462280, 44924560, 89849120]

約数ペア:

[(1, 89849120), (2, 44924560), (4, 22462280), (5, 17969824), (8, 11231140), (10, 8984912), (16, 5615570), (20, 4492456), (32, 2807785), (40, 2246228), (80, 1123114), (160, 561557), (409, 219680), (818, 109840), (1373, 65440), (1636, 54920), (2045, 43936), (2746, 32720), (3272, 27460), (4090, 21968), (5492, 16360), (6544, 13730), (6865, 13088), (8180, 10984)]