260069420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{5237}}^1$

素因数の和:5450

約数の個数: 48

約数和(自身を含む): 591349248

約数和(自身を除く): 331279828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3820, 4966, 5237, 9932, 10474, 12415, 20948, 24830, 26185, 49660, 52370, 68081, 104740, 136162, 272324, 340405, 680810, 1000267, 1361620, 2000534, 4001068, 5001335, 10002670, 13003471, 20005340, 26006942, 52013884, 65017355, 130034710, 260069420]

約数ペア:

[(1, 260069420), (2, 130034710), (4, 65017355), (5, 52013884), (10, 26006942), (13, 20005340), (20, 13003471), (26, 10002670), (52, 5001335), (65, 4001068), (130, 2000534), (191, 1361620), (260, 1000267), (382, 680810), (764, 340405), (955, 272324), (1910, 136162), (2483, 104740), (3820, 68081), (4966, 52370), (5237, 49660), (9932, 26185), (10474, 24830), (12415, 20948)]