10170920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2857}}^1$

素因数の和:2957

約数の個数: 32

約数和(自身を含む): 23149800

約数和(自身を除く): 12978880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2857, 3560, 5714, 11428, 14285, 22856, 28570, 57140, 114280, 254273, 508546, 1017092, 1271365, 2034184, 2542730, 5085460, 10170920]

約数ペア:

[(1, 10170920), (2, 5085460), (4, 2542730), (5, 2034184), (8, 1271365), (10, 1017092), (20, 508546), (40, 254273), (89, 114280), (178, 57140), (356, 28570), (445, 22856), (712, 14285), (890, 11428), (1780, 5714), (2857, 3560)]