66492640

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2647}}^1$

素因数の和:2819

約数の個数: 48

約数和(自身を含む): 158149152

約数和(自身を除く): 91656512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 2647, 3140, 5024, 5294, 6280, 10588, 12560, 13235, 21176, 25120, 26470, 42352, 52940, 84704, 105880, 211760, 415579, 423520, 831158, 1662316, 2077895, 3324632, 4155790, 6649264, 8311580, 13298528, 16623160, 33246320, 66492640]

約数ペア:

[(1, 66492640), (2, 33246320), (4, 16623160), (5, 13298528), (8, 8311580), (10, 6649264), (16, 4155790), (20, 3324632), (32, 2077895), (40, 1662316), (80, 831158), (157, 423520), (160, 415579), (314, 211760), (628, 105880), (785, 84704), (1256, 52940), (1570, 42352), (2512, 26470), (2647, 25120), (3140, 21176), (5024, 13235), (5294, 12560), (6280, 10588)]