129826580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1439}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 294658560

約数和(自身を除く): 164831980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 694, 1388, 1439, 1735, 2878, 3470, 4511, 5756, 6940, 7195, 9022, 14390, 18044, 18707, 22555, 28780, 37414, 45110, 74828, 90220, 93535, 187070, 374140, 499333, 998666, 1997332, 2496665, 4993330, 6491329, 9986660, 12982658, 25965316, 32456645, 64913290, 129826580]

約数ペア:

[(1, 129826580), (2, 64913290), (4, 32456645), (5, 25965316), (10, 12982658), (13, 9986660), (20, 6491329), (26, 4993330), (52, 2496665), (65, 1997332), (130, 998666), (260, 499333), (347, 374140), (694, 187070), (1388, 93535), (1439, 90220), (1735, 74828), (2878, 45110), (3470, 37414), (4511, 28780), (5756, 22555), (6940, 18707), (7195, 18044), (9022, 14390)]