90449440

素因数分解:

$2^5\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1237}}^1$

素因数の和:1709

約数の個数: 48

約数和(自身を含む): 214327512

約数和(自身を除く): 123878072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 914, 1237, 1828, 2285, 2474, 3656, 4570, 4948, 6185, 7312, 9140, 9896, 12370, 14624, 18280, 19792, 24740, 36560, 39584, 49480, 73120, 98960, 197920, 565309, 1130618, 2261236, 2826545, 4522472, 5653090, 9044944, 11306180, 18089888, 22612360, 45224720, 90449440]

約数ペア:

[(1, 90449440), (2, 45224720), (4, 22612360), (5, 18089888), (8, 11306180), (10, 9044944), (16, 5653090), (20, 4522472), (32, 2826545), (40, 2261236), (80, 1130618), (160, 565309), (457, 197920), (914, 98960), (1237, 73120), (1828, 49480), (2285, 39584), (2474, 36560), (3656, 24740), (4570, 19792), (4948, 18280), (6185, 14624), (7312, 12370), (9140, 9896)]