201997965560

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{11503301}}^1$

素因数の和:11503751

約数の個数: 32

約数和(自身を含む): 455530759200

約数和(自身を除く): 253532793640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 17560, 11503301, 23006602, 46013204, 57516505, 92026408, 115033010, 230066020, 460132040, 5049949139, 10099898278, 20199796556, 25249745695, 40399593112, 50499491390, 100998982780, 201997965560]

約数ペア:

[(1, 201997965560), (2, 100998982780), (4, 50499491390), (5, 40399593112), (8, 25249745695), (10, 20199796556), (20, 10099898278), (40, 5049949139), (439, 460132040), (878, 230066020), (1756, 115033010), (2195, 92026408), (3512, 57516505), (4390, 46013204), (8780, 23006602), (17560, 11503301)]