201047920

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{16007}}^1$

素因数の和:16177

約数の個数: 40

約数和(自身を含む): 470443104

約数和(自身を除く): 269395184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 16007, 32014, 64028, 80035, 128056, 160070, 256112, 320140, 640280, 1280560, 2513099, 5026198, 10052396, 12565495, 20104792, 25130990, 40209584, 50261980, 100523960, 201047920]

約数ペア:

[(1, 201047920), (2, 100523960), (4, 50261980), (5, 40209584), (8, 25130990), (10, 20104792), (16, 12565495), (20, 10052396), (40, 5026198), (80, 2513099), (157, 1280560), (314, 640280), (628, 320140), (785, 256112), (1256, 160070), (1570, 128056), (2512, 80035), (3140, 64028), (6280, 32014), (12560, 16007)]