2115217040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{168409}}^1$

素因数の和:168579

約数の個数: 40

約数和(自身を含む): 4949233080

約数和(自身を除く): 2834016040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 168409, 336818, 673636, 842045, 1347272, 1684090, 2694544, 3368180, 6736360, 13472720, 26440213, 52880426, 105760852, 132201065, 211521704, 264402130, 423043408, 528804260, 1057608520, 2115217040]

約数ペア:

[(1, 2115217040), (2, 1057608520), (4, 528804260), (5, 423043408), (8, 264402130), (10, 211521704), (16, 132201065), (20, 105760852), (40, 52880426), (80, 26440213), (157, 13472720), (314, 6736360), (628, 3368180), (785, 2694544), (1256, 1684090), (1570, 1347272), (2512, 842045), (3140, 673636), (6280, 336818), (12560, 168409)]