421319120

素因数分解:

$2^4\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{2753}}^1$

素因数の和:4679

約数の個数: 40

約数和(自身を含む): 980435016

約数和(自身を除く): 559115896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1913, 2753, 3826, 5506, 7652, 9565, 11012, 13765, 15304, 19130, 22024, 27530, 30608, 38260, 44048, 55060, 76520, 110120, 153040, 220240, 5266489, 10532978, 21065956, 26332445, 42131912, 52664890, 84263824, 105329780, 210659560, 421319120]

約数ペア:

[(1, 421319120), (2, 210659560), (4, 105329780), (5, 84263824), (8, 52664890), (10, 42131912), (16, 26332445), (20, 21065956), (40, 10532978), (80, 5266489), (1913, 220240), (2753, 153040), (3826, 110120), (5506, 76520), (7652, 55060), (9565, 44048), (11012, 38260), (13765, 30608), (15304, 27530), (19130, 22024)]