16995680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8171}}^1$

素因数の和:8199

約数の個数: 48

約数和(自身を含む): 43246224

約数和(自身を除く): 26250544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8171, 16342, 32684, 40855, 65368, 81710, 106223, 130736, 163420, 212446, 261472, 326840, 424892, 531115, 653680, 849784, 1062230, 1307360, 1699568, 2124460, 3399136, 4248920, 8497840, 16995680]

約数ペア:

[(1, 16995680), (2, 8497840), (4, 4248920), (5, 3399136), (8, 2124460), (10, 1699568), (13, 1307360), (16, 1062230), (20, 849784), (26, 653680), (32, 531115), (40, 424892), (52, 326840), (65, 261472), (80, 212446), (104, 163420), (130, 130736), (160, 106223), (208, 81710), (260, 65368), (416, 40855), (520, 32684), (1040, 16342), (2080, 8171)]