80405944

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 152943120

約数和(自身を除く): 72537176

約数列:

[1, 2, 4, 8, 163, 197, 313, 326, 394, 626, 652, 788, 1252, 1304, 1576, 2504, 32111, 51019, 61661, 64222, 102038, 123322, 128444, 204076, 246644, 256888, 408152, 493288, 10050743, 20101486, 40202972, 80405944]

約数ペア:

[(1, 80405944), (2, 40202972), (4, 20101486), (8, 10050743), (163, 493288), (197, 408152), (313, 256888), (326, 246644), (394, 204076), (626, 128444), (652, 123322), (788, 102038), (1252, 64222), (1304, 61661), (1576, 51019), (2504, 32111)]