66642320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6359}}^1$

素因数の和:6503

約数の個数: 40

約数和(自身を含む): 156150720

約数和(自身を除く): 89508400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 6359, 10480, 12718, 25436, 31795, 50872, 63590, 101744, 127180, 254360, 508720, 833029, 1666058, 3332116, 4165145, 6664232, 8330290, 13328464, 16660580, 33321160, 66642320]

約数ペア:

[(1, 66642320), (2, 33321160), (4, 16660580), (5, 13328464), (8, 8330290), (10, 6664232), (16, 4165145), (20, 3332116), (40, 1666058), (80, 833029), (131, 508720), (262, 254360), (524, 127180), (655, 101744), (1048, 63590), (1310, 50872), (2096, 31795), (2620, 25436), (5240, 12718), (6359, 10480)]