201212140

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{16253}}^1$

素因数の和:16881

約数の個数: 24

約数和(自身を含む): 423254160

約数和(自身を除く): 222042020

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 16253, 32506, 65012, 81265, 162530, 325060, 10060607, 20121214, 40242428, 50303035, 100606070, 201212140]

約数ペア:

[(1, 201212140), (2, 100606070), (4, 50303035), (5, 40242428), (10, 20121214), (20, 10060607), (619, 325060), (1238, 162530), (2476, 81265), (3095, 65012), (6190, 32506), (12380, 16253)]