26980460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2531}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 62530272

約数和(自身を除く): 35549812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2531, 2665, 5062, 5330, 10124, 10660, 12655, 25310, 32903, 50620, 65806, 103771, 131612, 164515, 207542, 329030, 415084, 518855, 658060, 1037710, 1349023, 2075420, 2698046, 5396092, 6745115, 13490230, 26980460]

約数ペア:

[(1, 26980460), (2, 13490230), (4, 6745115), (5, 5396092), (10, 2698046), (13, 2075420), (20, 1349023), (26, 1037710), (41, 658060), (52, 518855), (65, 415084), (82, 329030), (130, 207542), (164, 164515), (205, 131612), (260, 103771), (410, 65806), (533, 50620), (820, 32903), (1066, 25310), (2132, 12655), (2531, 10660), (2665, 10124), (5062, 5330)]