28750930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2158

約数の個数: 32

約数和(自身を含む): 56271600

約数和(自身を除く): 27520670

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2029, 2834, 4058, 7085, 10145, 14170, 20290, 26377, 52754, 131885, 221161, 263770, 442322, 1105805, 2211610, 2875093, 5750186, 14375465, 28750930]

約数ペア:

[(1, 28750930), (2, 14375465), (5, 5750186), (10, 2875093), (13, 2211610), (26, 1105805), (65, 442322), (109, 263770), (130, 221161), (218, 131885), (545, 52754), (1090, 26377), (1417, 20290), (2029, 14170), (2834, 10145), (4058, 7085)]