200445040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15959}}^1$

素因数の和:16129

約数の個数: 40

約数和(自身を含む): 469032480

約数和(自身を除く): 268587440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 15959, 31918, 63836, 79795, 127672, 159590, 255344, 319180, 638360, 1276720, 2505563, 5011126, 10022252, 12527815, 20044504, 25055630, 40089008, 50111260, 100222520, 200445040]

約数ペア:

[(1, 200445040), (2, 100222520), (4, 50111260), (5, 40089008), (8, 25055630), (10, 20044504), (16, 12527815), (20, 10022252), (40, 5011126), (80, 2505563), (157, 1276720), (314, 638360), (628, 319180), (785, 255344), (1256, 159590), (1570, 127672), (2512, 79795), (3140, 63836), (6280, 31918), (12560, 15959)]