2901472720

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{54869}}^1$

素因数の和:55543

約数の個数: 40

約数和(自身を含む): 6756252840

約数和(自身を除く): 3854780120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 2644, 3305, 5288, 6610, 10576, 13220, 26440, 52880, 54869, 109738, 219476, 274345, 438952, 548690, 877904, 1097380, 2194760, 4389520, 36268409, 72536818, 145073636, 181342045, 290147272, 362684090, 580294544, 725368180, 1450736360, 2901472720]

約数ペア:

[(1, 2901472720), (2, 1450736360), (4, 725368180), (5, 580294544), (8, 362684090), (10, 290147272), (16, 181342045), (20, 145073636), (40, 72536818), (80, 36268409), (661, 4389520), (1322, 2194760), (2644, 1097380), (3305, 877904), (5288, 548690), (6610, 438952), (10576, 274345), (13220, 219476), (26440, 109738), (52880, 54869)]