90707840

素因数分解:

$2^7\times 5^1\times {\mathrm{141731}}^1$

素因数の和:141750

約数の個数: 32

約数和(自身を含む): 216849960

約数和(自身を除く): 126142120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141731, 283462, 566924, 708655, 1133848, 1417310, 2267696, 2834620, 4535392, 5669240, 9070784, 11338480, 18141568, 22676960, 45353920, 90707840]

約数ペア:

[(1, 90707840), (2, 45353920), (4, 22676960), (5, 18141568), (8, 11338480), (10, 9070784), (16, 5669240), (20, 4535392), (32, 2834620), (40, 2267696), (64, 1417310), (80, 1133848), (128, 708655), (160, 566924), (320, 283462), (640, 141731)]