20120528

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 40101600

約数和(自身を除く): 19981072

約数列:

[1, 2, 4, 8, 16, 83, 109, 139, 166, 218, 278, 332, 436, 556, 664, 872, 1112, 1328, 1744, 2224, 9047, 11537, 15151, 18094, 23074, 30302, 36188, 46148, 60604, 72376, 92296, 121208, 144752, 184592, 242416, 1257533, 2515066, 5030132, 10060264, 20120528]

約数ペア:

[(1, 20120528), (2, 10060264), (4, 5030132), (8, 2515066), (16, 1257533), (83, 242416), (109, 184592), (139, 144752), (166, 121208), (218, 92296), (278, 72376), (332, 60604), (436, 46148), (556, 36188), (664, 30302), (872, 23074), (1112, 18094), (1328, 15151), (1744, 11537), (2224, 9047)]