2912808440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{463823}}^1$

素因数の和:463991

約数の個数: 32

約数和(自身を含む): 6595577280

約数和(自身を除く): 3682768840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 463823, 927646, 1855292, 2319115, 3710584, 4638230, 9276460, 18552920, 72820211, 145640422, 291280844, 364101055, 582561688, 728202110, 1456404220, 2912808440]

約数ペア:

[(1, 2912808440), (2, 1456404220), (4, 728202110), (5, 582561688), (8, 364101055), (10, 291280844), (20, 145640422), (40, 72820211), (157, 18552920), (314, 9276460), (628, 4638230), (785, 3710584), (1256, 2319115), (1570, 1855292), (3140, 927646), (6280, 463823)]