71365640

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3547}}^1$

素因数の和:4061

約数の個数: 32

約数和(自身を含む): 160937280

約数和(自身を除く): 89571640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3547, 4024, 5030, 7094, 10060, 14188, 17735, 20120, 28376, 35470, 70940, 141880, 1784141, 3568282, 7136564, 8920705, 14273128, 17841410, 35682820, 71365640]

約数ペア:

[(1, 71365640), (2, 35682820), (4, 17841410), (5, 14273128), (8, 8920705), (10, 7136564), (20, 3568282), (40, 1784141), (503, 141880), (1006, 70940), (2012, 35470), (2515, 28376), (3547, 20120), (4024, 17735), (5030, 14188), (7094, 10060)]